rm class_db.h from resource.h

servers/rendering/renderer_rd/framebuffer_cache_rd.cpp

@@ -31,6 +31,7 @@
 #include "framebuffer_cache_rd.h"
 
 #include "core/object/class_db.h"
+#include "servers/rendering/rendering_device_binds.h"
 
 FramebufferCacheRD *FramebufferCacheRD::singleton = nullptr;