Remove ignored/incorrect PROGMEM

This PROGMEM is currently ignored by gcc, but even if it wasn't it
wouldn't be correct since the following code is expecting to read "item"
without fetching the array itself from PROGMEM.

Firmware/ultralcd.cpp

@@ -6006,7 +6006,7 @@ char reset_menu() {
     int8_t enc_dif = 0;
 	char cursor_pos = 0;
 
-    const char *const item[items_no] PROGMEM = {PSTR("Language"), PSTR("Statistics"), PSTR("Shipping prep"), PSTR("Service prep"), PSTR("All Data")
+    const char *const item[items_no] = {PSTR("Language"), PSTR("Statistics"), PSTR("Shipping prep"), PSTR("Service prep"), PSTR("All Data")
 #ifdef SNMM
     , PSTR("Bowden length")
 #endif