Remove redundant texture flag setters/getters for `CameraTexture`

scene/resources/texture.cpp

@@ -2871,15 +2871,6 @@ RID CameraTexture::get_rid() const {
 	}
 }
 
-void CameraTexture::set_flags(uint32_t p_flags) {
-	// not supported
-}
-
-uint32_t CameraTexture::get_flags() const {
-	// not supported
-	return 0;
-}
-
 Ref<Image> CameraTexture::get_image() const {
 	// not (yet) supported
 	return Ref<Image>();

scene/resources/texture.h

@@ -900,9 +900,6 @@ public:
 	virtual RID get_rid() const override;
 	virtual bool has_alpha() const override;
 
-	virtual void set_flags(uint32_t p_flags);
-	virtual uint32_t get_flags() const;
-
 	virtual Ref<Image> get_image() const override;
 
 	void set_camera_feed_id(int p_new_id);