tr_image: NUKE the $red, $green and $blue builtin images

Author: illwieckz

src/engine/renderer/tr_image.cpp

@@ -2656,21 +2656,6 @@ void R_CreateBuiltinImages()
 
 	tr.blackImage = R_CreateImage( "$black", ( const byte ** ) &dataPtr, 1, 1, 1, imageParams );
 
-	// red
-	Vector4Set( data, 255, 0, 0, 255 );
-
-	tr.redImage = R_CreateImage( "$red", ( const byte ** ) &dataPtr, 1, 1, 1, imageParams );
-
-	// green
-	Vector4Set( data, 0, 255, 0, 255 );
-
-	tr.greenImage = R_CreateImage( "$green", ( const byte ** ) &dataPtr, 1, 1, 1, imageParams );
-
-	// blue
-	Vector4Set( data, 0, 0, 255, 255 );
-
-	tr.blueImage = R_CreateImage( "$blue", ( const byte ** ) &dataPtr, 1, 1, 1, imageParams );
-
 	// generate a default normalmap with a fully opaque heightmap (no displacement)
 	Vector4Set( data, 128, 128, 255, 255 );
 

src/engine/renderer/tr_local.h

@@ -2446,9 +2446,6 @@ enum
 		image_t    *cinematicImage[ MAX_IN_GAME_VIDEOS ];
 		image_t    *whiteImage; // full of 0xff
 		image_t    *blackImage; // 0x0 color channels, 0xff alpha channel
-		image_t    *redImage;
-		image_t    *greenImage;
-		image_t    *blueImage;
 		image_t    *flatImage; // use this as default normalmap
 		image_t    *blackCubeImage;
 		image_t    *whiteCubeImage;