This is not a literal removal of flesh. It means God will remove their sin and enable them to love and obey him. (See: [[rc://en/ta/man/translate/figs-metaphor]])
The idiom "with all ... heart" means "completely" and "with all ... soul" means "with all your being." These two phrases have similar meaning. See how you translated this in [Deuteronomy 4:29](../04/29.md). AT: "with all your being" or "with all your energy" (See: [[rc://en/ta/man/translate/figs-idiom]] and [[rc://en/ta/man/translate/figs-doublet]])
Moses speaks of curses as though they were a load or a cover that someone could physically put on top of a person. AT: "will cause your enemies to suffer from these curses" (See: [[rc://en/ta/man/translate/figs-metaphor]])