Implement MALYAN_LCD

Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp

@@ -51,11 +51,7 @@
 
   #if ENABLED(NEWPANEL)
     void lcd_return_to_status();
-    void lcd_mesh_edit_setup(float initial);
-    float lcd_mesh_edit();
-    void lcd_z_offset_edit_setup(float);
     extern void _lcd_ubl_output_map_lcd();
-    float lcd_z_offset_edit();
   #endif
 
   extern float meshedit_done;