"G28 Z Forbidden" => "Home XY first"

Marlin/src/lcd/language/language_an.h

Marlin/src/lcd/language/language_ca.h

Marlin/src/lcd/language/language_cz.h

Marlin/src/lcd/language/language_cz_utf8.h

Marlin/src/lcd/language/language_da.h

Marlin/src/lcd/language/language_de.h

Marlin/src/lcd/language/language_en.h

Marlin/src/lcd/language/language_es.h

Marlin/src/lcd/language/language_es_utf8.h

Marlin/src/lcd/language/language_eu.h

Marlin/src/lcd/language/language_fr.h

Marlin/src/lcd/language/language_fr_utf8.h

Marlin/src/lcd/language/language_gl.h

Marlin/src/lcd/language/language_hr.h

Marlin/src/lcd/language/language_it.h

Marlin/src/lcd/language/language_kana.h

Marlin/src/lcd/language/language_kana_utf8.h

Marlin/src/lcd/language/language_nl.h

Marlin/src/lcd/language/language_pl-DOGM.h

Marlin/src/lcd/language/language_pl-HD44780.h