🔧 Enforce BLTouch settings (#22086)

Marlin/src/inc/Conditionals_LCD.h

     #define Z_PROBE_SERVO_NR 0
   #endif
   #ifdef DEACTIVATE_SERVOS_AFTER_MOVE
-    #warning "BLTOUCH requires DEACTIVATE_SERVOS_AFTER_MOVE to be to disabled. Undefining DEACTIVATE_SERVOS_AFTER_MOVE. Please update your Configuration.h file."
-    #undef DEACTIVATE_SERVOS_AFTER_MOVE
+    #error "BLTOUCH requires DEACTIVATE_SERVOS_AFTER_MOVE to be to disabled. Please update your Configuration.h file."
   #endif
 
   // Always disable probe pin inverting for BLTouch
   #if Z_MIN_PROBE_ENDSTOP_INVERTING
-    #warning "BLTOUCH requires Z_MIN_PROBE_ENDSTOP_INVERTING set to false. Resetting Z_MIN_PROBE_ENDSTOP_INVERTING to false. Please update your Configuration.h file."
-    #undef Z_MIN_PROBE_ENDSTOP_INVERTING
-    #define Z_MIN_PROBE_ENDSTOP_INVERTING false
+    #error "BLTOUCH requires Z_MIN_PROBE_ENDSTOP_INVERTING set to false. Please update your Configuration.h file."
   #endif
 
   #if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
     #if Z_MIN_ENDSTOP_INVERTING
-      #warning "BLTOUCH requires Z_MIN_ENDSTOP_INVERTING set to false. Resetting Z_MIN_ENDSTOP_INVERTING to false. Please update your Configuration.h file."
-      #undef Z_MIN_ENDSTOP_INVERTING
-      #define Z_MIN_ENDSTOP_INVERTING false
+      #error "BLTOUCH requires Z_MIN_ENDSTOP_INVERTING set to false. Please update your Configuration.h file."
     #endif
   #endif
 #endif

buildroot/tests/mega1280

 #
 # Delta Config (generic) + ABL bilinear + BLTOUCH
 use_example_configs delta/generic
-opt_set LCD_LANGUAGE cz
+opt_set LCD_LANGUAGE cz \
+        Z_MIN_PROBE_ENDSTOP_INVERTING false \
+        Z_MIN_ENDSTOP_INVERTING false
 opt_enable REPRAP_DISCOUNT_SMART_CONTROLLER DELTA_CALIBRATION_MENU AUTO_BED_LEVELING_BILINEAR BLTOUCH
 exec_test $1 $2 "DELTA | RRD LCD | ABL Bilinear | BLTOUCH" "$3"