Clean up user-wait, SD completion (#17315)

Marlin/Configuration_adv.h

Marlin/src/MarlinCore.cpp

Marlin/src/MarlinCore.h

Marlin/src/feature/mmu2/mmu2.cpp

Marlin/src/feature/pause.cpp

Marlin/src/gcode/gcode.cpp

Marlin/src/gcode/gcode.h

Marlin/src/gcode/lcd/M0_M1.cpp

Marlin/src/gcode/sd/M1001.cpp

Marlin/src/lcd/language/language_en.h

Marlin/src/lcd/menu/menu_delta_calibrate.cpp

Marlin/src/lcd/ultralcd.cpp

Marlin/src/module/probe.cpp

Marlin/src/sd/cardreader.cpp

Marlin/src/sd/cardreader.h