Remove the SMP renderer feature

code/rend2/tr_fbo.c

@@ -370,8 +370,7 @@ void FBO_Init(void)
 
 	GL_CheckErrors();
 
-	// make sure the render thread is stopped
-	R_SyncRenderThread();
+	R_IssuePendingRenderCommands();
 
 /*	if(glRefConfig.textureNonPowerOfTwo)
 	{
@@ -862,4 +861,4 @@ void FBO_FastBlit(FBO_t *src, vec4i_t srcBox, FBO_t *dst, vec4i_t dstBox, int bu
 
 	qglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
 	glState.currentFBO = NULL;
-}
+}