Makefile: examples makefile now compile others/rlgl_standalone only when TARGET_PLATFORM is PLATFORM_DESKTOP_GFLW

examples/Makefile

@@ -518,8 +518,7 @@ CORE = \
     core/core_window_flags \
     core/core_window_letterbox \
     core/core_window_should_close \
-    core/core_world_screen \
-    core/core_clipboard_image
+    core/core_world_screen
 
 SHAPES = \
     shapes/shapes_basic_shapes \