Rename "[Mm]ethod(s)" to "[Ff]unction(s)"
Only methods as programming functions are affected. Besides renaming some actions like "Switch Between Function Declaration/Definition" this mostly touches (api) code comments. This is a follow-up patch to commit 872bfb70 . Change-Id: Icb65e8d73b59a022f8885b14df497169543a3b92 Reviewed-by: hjk <email@example.com>