ref: vk: do not create cl_righthand cvar

ref/vk/vk_studio.c

@@ -3576,9 +3576,6 @@ void CL_InitStudioAPI( void )
 	// trying to grab them from client.dll
 	cl_righthand = gEngine.pfnGetCvarPointer( "cl_righthand", 0 );
 
-	if( cl_righthand == NULL )
-		cl_righthand = gEngine.Cvar_Get( "cl_righthand", "0", FCVAR_ARCHIVE, "flip viewmodel (left to right)" );
-
 	// Xash will be used internal StudioModelRenderer
 	if( gEngine.pfnGetStudioModelInterface( STUDIO_INTERFACE_VERSION, &pStudioDraw, &gStudioAPI ))
 		return;