[POS as a tab i1] Remove POS entry point and related code from the Menu tab#15939

jaclync merged 3 commits intotrunkwoocommerce/woocommerce-ios:trunkfrom

feat/WOOMOB-916-remove-menu-pos-entry-pointwoocommerce/woocommerce-ios:feat/WOOMOB-916-remove-menu-pos-entry-pointCopy head branch name to clipboard