Merge branch 'Merge_cleanup' into Development

Marlin/Marlin_main.cpp

@@ -2811,7 +2811,7 @@ inline void gcode_M42() {
       #error "You must have a Z_PROBE_PIN defined in order to enable calculation of Z-Probe repeatability."
     #endif
   #else
-    #if (Z_MIN_PIN == -1) &&
+    #if (Z_MIN_PIN == -1)
       #error "You must have a Z_MIN_PIN defined in order to enable calculation of Z-Probe repeatability."
     #endif
   #endif

Marlin/SanityCheck.h

@@ -93,7 +93,7 @@
      * Require a Z Min pin
      */
     #if Z_MIN_PIN == -1
-      #if Z_PROBE_PIN == -1
+      #if Z_PROBE_PIN == -1 || (! defined (Z_PROBE_ENDSTOP) || defined (DISABLE_Z_PROBE_ENDSTOP)) // It's possible for someone to set a pin for the Z Probe, but not enable it.
         #ifdef Z_PROBE_REPEATABILITY_TEST
           #error You must have a Z_MIN or Z_PROBE endstop to enable Z_PROBE_REPEATABILITY_TEST.
         #else