remove any thread-safe stuff I introduced since it's not needed as unC0Rr pointed out it's not needed, we are single-threaded (thanks :D) from what I understood this time, Qt is clever enough to sequentialize all events and child destructions instead of spawning threads also some docs/comments

[patterns]
**.h = native
**.c = native
**.cpp = native
**.lua = native
**.txt = native
**.pas = native
**.inc = native