Add delta auto-calibration and configuration for Flsun AC

Marlin/SanityCheck.h

@@ -391,6 +391,13 @@
   #error "To use BED_LIMIT_SWITCHING you must disable PIDTEMPBED."
 #endif
 
+/**
+ * Delta Auto calibration
+ */
+#if ENABLED(DELTA_AUTO_CALIBRATION) && ENABLED(NO_WORKSPACE_OFFSETS)
+  #error "To use DELTA_AUTO_CALIBRATION you must disable NO_WORKSPACE_OFFSETS."
+#endif
+
 /**
  * Allow only one bed leveling option to be defined
  */