Simplify bl_touch leveling steps

Marlin/Configuration.h

Marlin/Configuration_adv.h

Marlin/src/lcd/extui/lib/mks_ui/draw_baby_stepping.cpp

Marlin/src/lcd/extui/lib/mks_ui/draw_bltouch_settings.cpp

Marlin/src/lcd/extui/lib/mks_ui/draw_dialog.cpp

Marlin/src/lcd/extui/lib/mks_ui/draw_dialog.h

Marlin/src/lcd/extui/lib/mks_ui/draw_level_settings.cpp

Marlin/src/lcd/extui/lib/mks_ui/draw_tool.cpp

Marlin/src/lcd/extui/lib/mks_ui/draw_ui.cpp

Marlin/src/lcd/extui/lib/mks_ui/draw_ui.h

Marlin/src/lcd/extui/lib/mks_ui/printer_operation.cpp

Marlin/src/lcd/extui/lib/mks_ui/tft_Language_en.h

Marlin/src/lcd/extui/lib/mks_ui/tft_Language_fr.h

Marlin/src/lcd/extui/lib/mks_ui/tft_Language_it.h

Marlin/src/lcd/extui/lib/mks_ui/tft_Language_ru.h

Marlin/src/lcd/extui/lib/mks_ui/tft_Language_s_cn.h

Marlin/src/lcd/extui/lib/mks_ui/tft_Language_sp.h

Marlin/src/lcd/extui/lib/mks_ui/tft_Language_t_cn.h

Marlin/src/lcd/extui/lib/mks_ui/tft_multi_language.cpp

Marlin/src/lcd/extui/lib/mks_ui/tft_multi_language.h