Fix latest regression error in SpriteFramesEditor

editor/plugins/sprite_frames_editor_plugin.cpp

@@ -642,7 +642,6 @@ void SpriteFramesEditor::drop_data_fw(const Point2 &p_point, const Variant &p_da
 
 void SpriteFramesEditor::_bind_methods() {
 
-	ClassDB::bind_method(D_METHOD("_gui_input"), &SpriteFramesEditor::_gui_input);
 	ClassDB::bind_method(D_METHOD("_load_pressed"), &SpriteFramesEditor::_load_pressed);
 	ClassDB::bind_method(D_METHOD("_empty_pressed"), &SpriteFramesEditor::_empty_pressed);
 	ClassDB::bind_method(D_METHOD("_empty2_pressed"), &SpriteFramesEditor::_empty2_pressed);