Clean up spacing and comments

Also clean up some trailing spaces in a few other sources

Marlin/example_configurations/Hephestos/Configuration.h

@@ -231,7 +231,7 @@ Here are some standard links for getting your machine calibrated:
 // shouldn't use bed PID until someone else verifies your hardware works.
 // If this is enabled, find your own PID constants below.
 //#define PIDTEMPBED
-//
+
 //#define BED_LIMIT_SWITCHING
 
 // This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
@@ -379,7 +379,7 @@ const bool Z_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the logic
   const bool FIL_RUNOUT_INVERTING = true;  // Should be uncommented and true or false should assigned
   #define ENDSTOPPULLUP_FIL_RUNOUT // Uncomment to use internal pullup for filament runout pins if the sensor is defined.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
-#endif 
+#endif
   
 //===========================================================================
 //=========================== Manual Bed Leveling ===========================