✏️ Clean up duplicate defs (#23182)

Marlin/src/lcd/extui/ftdi_eve_touch_ui/ftdi_eve_extui.cpp

@@ -71,7 +71,6 @@ namespace ExtUI {
   }
 
   void onStatusChanged(const char *lcd_msg) { StatusScreen::setStatusMessage(lcd_msg); }
-  void onStatusChanged(FSTR_P lcd_msg) { StatusScreen::setStatusMessage(lcd_msg); }
 
   void onPrintTimerStarted() {
     InterfaceSoundsScreen::playEventSound(InterfaceSoundsScreen::PRINTING_STARTED);

Marlin/src/lcd/extui/ftdi_eve_touch_ui/language/language_en.h

@@ -145,7 +145,6 @@ namespace Language_en {
   PROGMEM Language_Str MSG_LEVELING                 = u8"Leveling";
   PROGMEM Language_Str MSG_AXIS_LEVELING            = u8"Axis Leveling";
   PROGMEM Language_Str MSG_PROBE_BED                = u8"Probe Mesh";
-  PROGMEM Language_Str MSG_MESH_VIEW                = u8"View Mesh";
   PROGMEM Language_Str MSG_PRINT_TEST               = u8"Print Test (PLA)";
   PROGMEM Language_Str MSG_MOVE_Z_TO_TOP            = u8"Raise Z to Top";