fix sln generation

Author: WitherOrNot

gcsdk/gcsdk_game.vpc

@@ -84,7 +84,6 @@ $Project "gcsdk"
 		$File "steamextra\tier1\tsmultimempool.cpp"
 		$File "workthreadpool.cpp"
 		$File "webapi_response.cpp"
-		$File "$SRCDIR\thirdparty\JSON_parser\JSON_parser.c"
 		{
 			$Configuration
 			{

hammer/hammer_dll.vpc

@@ -338,7 +338,6 @@ $Project "hammer_dll"
 		$File	"TitleWnd.cpp"
 		$File	"TitleWnd.h"
 		$File	"Tooldefs.h"
-		$File	"$SRCDIR\public\maya\valveMaya\Undo.h"
 		$File	"VGuiWnd.cpp"
 		$File	"VGuiWnd.h"
 		$File	"ViewerSettings.h"

utils/hlfaceposer/hlfaceposer.vpc

@@ -320,7 +320,6 @@ $Project "hlfaceposer"
 		$File	"$SRCDIR\public\networkvar.h"
 		$File	"$SRCDIR\game\shared\npcevent.h"
 		$File	"$SRCDIR\public\optimize.h"
-		$File	"$SRCDIR\public\phonemeextractor\phonemeextractor.h"
 		$File	"$SRCDIR\public\phyfile.h"
 		$File	"..\common\physdll.h"
 		$File	"..\hlmv\physmesh.h"

utils/vbsp/vbsp.vpc

@@ -36,12 +36,10 @@ $Project "Vbsp"
 		$File	"detail.cpp"
 		$File	"detailObjects.cpp"
 		$File	"$SRCDIR\public\disp_common.cpp"
-		$File	"disp_ivp.cpp"
 		$File	"$SRCDIR\public\disp_powerinfo.cpp"
 		$File	"disp_vbsp.cpp"
 		$File	"faces.cpp"
 		$File	"glfile.cpp"
-		$File	"ivp.cpp"
 		$File	"leakfile.cpp"
 		$File	"$SRCDIR\public\loadcmdline.cpp"
 		$File	"$SRCDIR\public\lumpfiles.cpp"
@@ -110,13 +108,11 @@ $Project "Vbsp"
 			$File	"$SRCDIR\public\builddisp.h"
 			$File	"$SRCDIR\public\ChunkFile.h"
 			$File	"..\common\cmdlib.h"
-			$File	"disp_ivp.h"
 			$File	"$SRCDIR\public\filesystem.h"
 			$File	"$SRCDIR\public\filesystem_helpers.h"
 			$File	"..\common\FileSystem_Tools.h"
 			$File	"$SRCDIR\public\GameBSPFile.h"
 			$File	"$SRCDIR\public\tier1\interface.h"
-			$File	"ivp.h"
 			$File	"..\common\map_shared.h"
 			$File	"..\common\pacifier.h"
 			$File	"..\common\polylib.h"