Move endstop debug to Endstops

Marlin/src/gcode/config/M43.cpp

@@ -245,9 +245,9 @@ void GcodeSuite::M43() {
 
   // Enable or disable endstop monitoring
   if (parser.seen('E')) {
-    endstop_monitor_flag = parser.value_bool();
+    endstops.monitor_flag = parser.value_bool();
     SERIAL_PROTOCOLPGM("endstop monitor ");
-    serialprintPGM(endstop_monitor_flag ? PSTR("en") : PSTR("dis"));
+    serialprintPGM(endstops.monitor_flag ? PSTR("en") : PSTR("dis"));
     SERIAL_PROTOCOLLNPGM("abled");
     return;
   }