Merge pull request #6491 from thinkyhead/rc_cleanup_wednesday

Marlin/Configuration.h

Marlin/Marlin_main.cpp

...example_configurations/FolgerTech-i3-2020/Configuration.h

...ple_configurations/FolgerTech-i3-2020/Configuration_adv.h

...n/example_configurations/gCreate_gMax1.5+/Configuration.h

...ample_configurations/gCreate_gMax1.5+/Configuration_adv.h

Marlin/example_configurations/gCreate_gMax1.5+/_Bootscreen.h

Marlin/language_en.h

Marlin/language_tr.h

Marlin/least_squares_fit.cpp

Marlin/least_squares_fit.h

Marlin/softspi.h

Marlin/ubl.h

Marlin/ubl_G29.cpp

Marlin/ultralcd.cpp

Marlin/ultralcd_impl_HD44780.h

Marlin/utility.cpp