Move MSG_x_LINE to multi_language.h

Marlin/src/core/multi_language.h

 #define GET_TEXT_F(MSG) (const __FlashStringHelper*)GET_TEXT(MSG)
 
 #define MSG_CONCAT(A,B) pgm_p_pair_t(GET_TEXT(A),GET_TEXT(B))
+
+#define MSG_1_LINE(A)     A "\0"   "\0"
+#define MSG_2_LINE(A,B)   A "\0" B "\0"
+#define MSG_3_LINE(A,B,C) A "\0" B "\0" C

Marlin/src/lcd/language/language_en.h

   PROGMEM Language_Str MSG_SNAKE                           = _UxGT("Sn4k3");
   PROGMEM Language_Str MSG_MAZE                            = _UxGT("Maze");
 
-  #define MSG_1_LINE(A)     A "\0"   "\0"
-  #define MSG_2_LINE(A,B)   A "\0" B "\0"
-  #define MSG_3_LINE(A,B,C) A "\0" B "\0" C
-
   //
   // Filament Change screens show up to 3 lines on a 4-line display
   //                        ...or up to 2 lines on a 3-line display

Marlin/src/lcd/language/language_pl.h

   PROGMEM Language_Str MSG_SNAKE                           = _UxGT("Sn4k3");
   PROGMEM Language_Str MSG_MAZE                            = _UxGT("Maze");
 
-  #define MSG_1_LINE(A)     A "\0"   "\0"
-  #define MSG_2_LINE(A,B)   A "\0" B "\0"
-  #define MSG_3_LINE(A,B,C) A "\0" B "\0" C
-
   //
   // Filament Change screens show up to 3 lines on a 4-line display
   //                        ...or up to 2 lines on a 3-line display

Marlin/src/lcd/language/language_tr.h

   PROGMEM Language_Str MSG_SNAKE                           = _UxGT("Sn4k3");
   PROGMEM Language_Str MSG_MAZE                            = _UxGT("Maze");
 
-  #define MSG_1_LINE(A)     A "\0"   "\0"
-  #define MSG_2_LINE(A,B)   A "\0" B "\0"
-  #define MSG_3_LINE(A,B,C) A "\0" B "\0" C
-
   //
   // Filament Değişim ekranları 4 satırlı ekranda 3 satıra kadar gösterilir
   //                        ...veya 3 satırlı ekranda 2 satıra kadar

Marlin/src/lcd/language/language_zh_TW.h

   PROGMEM Language_Str MSG_SNAKE                           = _UxGT("Sn4k3");
   PROGMEM Language_Str MSG_MAZE                            = _UxGT("Maze");
 
-  #define MSG_1_LINE(A)     A "\0"   "\0"
-  #define MSG_2_LINE(A,B)   A "\0" B "\0"
-  #define MSG_3_LINE(A,B,C) A "\0" B "\0" C
-
   //
   // Filament Change screens show up to 3 lines on a 4-line display
   //                        ...or up to 2 lines on a 3-line display

Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_3.h

 //
 // EEPROM
 //
-#define FLASH_EEPROM_EMULATION
-//#define SDCARD_EEPROM_EMULATION
+#if NONE(FLASH_EEPROM_EMULATION, SDCARD_EEPROM_EMULATION)
+  #define FLASH_EEPROM_EMULATION
+  //#define SDCARD_EEPROM_EMULATION
+#endif
 
 /**
  * Trinamic Stallguard pins