Tweak M48 spacing

Marlin/src/gcode/calibrate/M48.cpp

@@ -28,10 +28,8 @@
 #include "../../module/motion.h"
 #include "../../module/probe.h"
 
-
 #include "../../feature/bedlevel/bedlevel.h"
 
-
 #if HAS_LEVELING
   #include "../../module/planner.h"
 #endif