Remove enum.h include of MarlinConfig.h

Marlin/src/Marlin.h

 #endif
 
 #if ENABLED(ADVANCED_PAUSE_FEATURE)
+  enum AdvancedPauseMenuResponse {
+    ADVANCED_PAUSE_RESPONSE_WAIT_FOR,
+    ADVANCED_PAUSE_RESPONSE_EXTRUDE_MORE,
+    ADVANCED_PAUSE_RESPONSE_RESUME_PRINT
+  };
   extern AdvancedPauseMenuResponse advanced_pause_menu_response;
 #endif
 

Marlin/src/core/enum.h

 #ifndef __ENUM_H__
 #define __ENUM_H__
 
-#include "../inc/MarlinConfig.h"
-
 /**
  * Axis indices as enumerated constants
  *
   TEMPUNIT_F
 } TempUnit;
 
-#if ENABLED(EMERGENCY_PARSER)
-  enum e_parser_state {
-    state_RESET,
-    state_N,
-    state_M,
-    state_M1,
-    state_M10,
-    state_M108,
-    state_M11,
-    state_M112,
-    state_M4,
-    state_M41,
-    state_M410,
-    state_IGNORE // to '\n'
-  };
-#endif
-
-#if ENABLED(ADVANCED_PAUSE_FEATURE)
-  enum AdvancedPauseMenuResponse {
-    ADVANCED_PAUSE_RESPONSE_WAIT_FOR,
-    ADVANCED_PAUSE_RESPONSE_EXTRUDE_MORE,
-    ADVANCED_PAUSE_RESPONSE_RESUME_PRINT
-  };
-
-  #if ENABLED(ULTIPANEL)
-    enum AdvancedPauseMessage {
-      ADVANCED_PAUSE_MESSAGE_INIT,
-      ADVANCED_PAUSE_MESSAGE_UNLOAD,
-      ADVANCED_PAUSE_MESSAGE_INSERT,
-      ADVANCED_PAUSE_MESSAGE_LOAD,
-      ADVANCED_PAUSE_MESSAGE_EXTRUDE,
-      ADVANCED_PAUSE_MESSAGE_OPTION,
-      ADVANCED_PAUSE_MESSAGE_RESUME,
-      ADVANCED_PAUSE_MESSAGE_STATUS,
-      ADVANCED_PAUSE_MESSAGE_CLICK_TO_HEAT_NOZZLE,
-      ADVANCED_PAUSE_MESSAGE_WAIT_FOR_NOZZLES_TO_HEAT
-    };
-  #endif
-#endif
-
 /**
  * SD Card
  */
   LCDVIEW_CALL_NO_REDRAW
 };
 
-/**
- * Dual X Carriage modes. A Dual Nozzle can also do duplication.
- */
-#if ENABLED(DUAL_X_CARRIAGE) || ENABLED(DUAL_NOZZLE_DUPLICATION_MODE)
-  enum DualXMode {
-    DXC_FULL_CONTROL_MODE,  // DUAL_X_CARRIAGE only
-    DXC_AUTO_PARK_MODE,     // DUAL_X_CARRIAGE only
-    DXC_DUPLICATION_MODE
-  };
-#endif
-
 #endif // __ENUM_H__

Marlin/src/core/serial.h

   DEBUG_ALL           = 0xFF
 };
 
+#if ENABLED(EMERGENCY_PARSER)
+  enum e_parser_state {
+    state_RESET,
+    state_N,
+    state_M,
+    state_M1,
+    state_M10,
+    state_M108,
+    state_M11,
+    state_M112,
+    state_M4,
+    state_M41,
+    state_M410,
+    state_IGNORE // to '\n'
+  };
+#endif
+
 //todo: HAL: breaks encapsulation
 // For AVR only, define a serial interface based on configuration
 #ifdef __AVR__

Marlin/src/lcd/ultralcd.h

     void lcd_completion_feedback(const bool good=true);
 
     #if ENABLED(ADVANCED_PAUSE_FEATURE)
+      enum AdvancedPauseMessage {
+        ADVANCED_PAUSE_MESSAGE_INIT,
+        ADVANCED_PAUSE_MESSAGE_UNLOAD,
+        ADVANCED_PAUSE_MESSAGE_INSERT,
+        ADVANCED_PAUSE_MESSAGE_LOAD,
+        ADVANCED_PAUSE_MESSAGE_EXTRUDE,
+        ADVANCED_PAUSE_MESSAGE_OPTION,
+        ADVANCED_PAUSE_MESSAGE_RESUME,
+        ADVANCED_PAUSE_MESSAGE_STATUS,
+        ADVANCED_PAUSE_MESSAGE_CLICK_TO_HEAT_NOZZLE,
+        ADVANCED_PAUSE_MESSAGE_WAIT_FOR_NOZZLES_TO_HEAT
+      };
       void lcd_advanced_pause_show_message(const AdvancedPauseMessage message);
     #endif
 

Marlin/src/module/motion.h

  */
 #if ENABLED(DUAL_X_CARRIAGE)
 
+  enum DualXMode {
+    DXC_FULL_CONTROL_MODE,  // DUAL_X_CARRIAGE only
+    DXC_AUTO_PARK_MODE,     // DUAL_X_CARRIAGE only
+    DXC_DUPLICATION_MODE
+  };
+
   extern DualXMode dual_x_carriage_mode;
   extern float inactive_extruder_x_pos,           // used in mode 0 & 1
                raised_parked_position[XYZE],      // used in mode 1
 
   FORCE_INLINE int x_home_dir(const uint8_t extruder) { return extruder ? X2_HOME_DIR : X_HOME_DIR; }
 
-#endif // DUAL_X_CARRIAGE
+#elif ENABLED(DUAL_NOZZLE_DUPLICATION_MODE)
+
+  enum DualXMode {
+    DXC_DUPLICATION_MODE = 2
+  };
+
+#endif
 
 #if HAS_WORKSPACE_OFFSET || ENABLED(DUAL_X_CARRIAGE)
   void update_software_endstops(const AxisEnum axis);