Alternative fan bitmap

Marlin/Configuration_adv.h

   #define STATUS_HOTEND_ANIM          // Use a second bitmap to indicate hotend heating
   #define STATUS_BED_ANIM             // Use a second bitmap to indicate bed heating
   //#define STATUS_ALT_BED_BITMAP     // Use the alternative bed bitmap
-  //#define STATUS_ALT_FAN_BITMAP     // Use the alternative fan bitmap
   //#define STATUS_FAN_FRAMES 3       // :[0,1,2,3,4] Number of fan animation frames
   //#define STATUS_HEAT_PERCENT       // Show heating in a progress bar