left4dead \ gameinfo.txt is missing

"GameInfo"
{
   game   "Left 4 Dead 2"   // Window title
   type multiplayer_only
   nomodels 1
   nohimodel 1
   l4dcrosshair 1
   hidden_maps
   {
      "test_speakers"         1
      "test_hardware"         1
   }
   nodegraph 0
   perfwizard 0
   SupportsXbox360 1
   SupportsDX8   0
   GameData   "left4dead2.fgd"

   FileSystem
   {
      SteamAppId            550      // This will mount all the GCFs we need (240=CS:S, 220=HL2).
      ToolsAppId            211      // Tools will load this (ie: source SDK caches) to get things like materials\debug, materials\editor, etc.
      
      //
      // The code that loads this file automatically does a few things here:
      //
      // 1. For each "Game" search path, it adds a "GameBin" path, in <dir>\bin
      // 2. For each "Game" search path, it adds another "Game" path in front of it with _<langage> at the end.
      //    For example: c:\hl2\cstrike on a french machine would get a c:\hl2\cstrike_french path added to it.
      // 3. For the first "Game" search path, it adds a search path called "MOD".
      // 4. For the first "Game" search path, it adds a search path called "DEFAULT_WRITE_PATH".
      //

      //
      // Search paths are relative to the base directory, which is where hl2.exe is found.
      //
      // |gameinfo_path| points at the directory where gameinfo.txt is.
      // We always want to mount that directory relative to gameinfo.txt, so
      // people can mount stuff in c:\mymod, and the main game resources are in
      // someplace like c:\program files\valve\steam\steamapps\<username>\half-life 2.
      //
      SearchPaths
      {
         Game            update
         Game            left4dead2_dlc3
         Game            left4dead2_dlc2
         Game            left4dead2_dlc1
         Game            |gameinfo_path|.
         Game            hl2
      }
   }
}

"GameInfo"
{
   game   "Left 4 Dead 2"   // Window title
   type multiplayer_only
   nomodels 1
   nohimodel 1
   l4dcrosshair 1
   hidden_maps
   {
      "test_speakers"         1
      "test_hardware"         1
   }
   nodegraph 0
   perfwizard 0
   SupportsXbox360 1
   SupportsDX8   0
   GameData   "left4dead2.fgd"

   FileSystem
   {
      SteamAppId            870      // This will mount all the GCFs we need (240=CS:S, 220=HL2).
      ToolsAppId            211      // Tools will load this (ie: source SDK caches) to get things like materials\debug, materials\editor, etc.
      
      //
      // The code that loads this file automatically does a few things here:
      //
      // 1. For each "Game" search path, it adds a "GameBin" path, in <dir>\bin
      // 2. For each "Game" search path, it adds another "Game" path in front of it with _<langage> at the end.
      //    For example: c:\hl2\cstrike on a french machine would get a c:\hl2\cstrike_french path added to it.
      // 3. For the first "Game" search path, it adds a search path called "MOD".
      // 4. For the first "Game" search path, it adds a search path called "DEFAULT_WRITE_PATH".
      //

      //
      // Search paths are relative to the base directory, which is where hl2.exe is found.
      //
      // |gameinfo_path| points at the directory where gameinfo.txt is.
      // We always want to mount that directory relative to gameinfo.txt, so
      // people can mount stuff in c:\mymod, and the main game resources are in
      // someplace like c:\program files\valve\steam\steamapps\<username>\half-life 2.
      //
      SearchPaths
      {
         Game            update
         Game            |gameinfo_path|.
         Game            left4dead2
         Game            hl2
      }
   }
}

"GameInfo"
{
   game   "Left 4 Dead 2"   // Window title
   type multiplayer_only
   nomodels 1
   nohimodel 1
   l4dcrosshair 1
   hidden_maps
   {
      "test_speakers"         1
      "test_hardware"         1
   }
   nodegraph 0
   perfwizard 0
   SupportsXbox360 1
   SupportsDX8   0
   GameData   "left4dead2.fgd"

   FileSystem
   {
      SteamAppId            550      // This will mount all the GCFs we need (240=CS:S, 220=HL2).
      ToolsAppId            211      // Tools will load this (ie: source SDK caches) to get things like materials\debug, materials\editor, etc.
      
      //
      // The code that loads this file automatically does a few things here:
      //
      // 1. For each "Game" search path, it adds a "GameBin" path, in <dir>\bin
      // 2. For each "Game" search path, it adds another "Game" path in front of it with _<langage> at the end.
      //    For example: c:\hl2\cstrike on a french machine would get a c:\hl2\cstrike_french path added to it.
      // 3. For the first "Game" search path, it adds a search path called "MOD".
      // 4. For the first "Game" search path, it adds a search path called "DEFAULT_WRITE_PATH".
      //

      //
      // Search paths are relative to the base directory, which is where hl2.exe is found.
      //
      // |gameinfo_path| points at the directory where gameinfo.txt is.
      // We always want to mount that directory relative to gameinfo.txt, so
      // people can mount stuff in c:\mymod, and the main game resources are in
      // someplace like c:\program files\valve\steam\steamapps\<username>\half-life 2.
      //
      SearchPaths
      {
         Game            update
         Game            |gameinfo_path|.
         Game            left4dead2_dlc1
         Game            left4dead2
         Game            hl2
      }
   }
}

"GameInfo"
{
   game   "Left 4 Dead 2"   // Window title
   type multiplayer_only
   nomodels 1
   nohimodel 1
   l4dcrosshair 1
   hidden_maps
   {
      "test_speakers"         1
      "test_hardware"         1
   }
   nodegraph 0
   perfwizard 0
   SupportsXbox360 1
   SupportsDX8   0
   GameData   "left4dead2.fgd"

   FileSystem
   {
      SteamAppId            870      // This will mount all the GCFs we need (240=CS:S, 220=HL2).
      ToolsAppId            211      // Tools will load this (ie: source SDK caches) to get things like materials\debug, materials\editor, etc.
      
      //
      // The code that loads this file automatically does a few things here:
      //
      // 1. For each "Game" search path, it adds a "GameBin" path, in <dir>\bin
      // 2. For each "Game" search path, it adds another "Game" path in front of it with _<langage> at the end.
      //    For example: c:\hl2\cstrike on a french machine would get a c:\hl2\cstrike_french path added to it.
      // 3. For the first "Game" search path, it adds a search path called "MOD".
      // 4. For the first "Game" search path, it adds a search path called "DEFAULT_WRITE_PATH".
      //

      //
      // Search paths are relative to the base directory, which is where hl2.exe is found.
      //
      // |gameinfo_path| points at the directory where gameinfo.txt is.
      // We always want to mount that directory relative to gameinfo.txt, so
      // people can mount stuff in c:\mymod, and the main game resources are in
      // someplace like c:\program files\valve\steam\steamapps\<username>\half-life 2.
      //
      SearchPaths
      {
         Game            update
         Game            |gameinfo_path|.
         Game            left4dead2_dlc2
         Game            left4dead2_dlc1
         Game            left4dead2
         Game            hl2
      }
   }
}