Fix a sanity check

Marlin/src/inc/SanityCheck.h

       #error "Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN requires USE_ZMIN_PLUG to be enabled."
     #elif !HAS_Z_MIN
       #error "Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN requires the Z_MIN_PIN to be defined."
-    #elif ENABLED(Z_MIN_PROBE_ENDSTOP_INVERTING) != ENABLED(Z_MIN_ENDSTOP_INVERTING)
+    #elif Z_MIN_PROBE_ENDSTOP_INVERTING != Z_MIN_ENDSTOP_INVERTING
       #error "Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN requires Z_MIN_ENDSTOP_INVERTING to match Z_MIN_PROBE_ENDSTOP_INVERTING."
     #endif
   #elif ENABLED(Z_MIN_PROBE_ENDSTOP)