vapi: Add missing has_type_id = false in non-GObject bindings.
avahi-client: remove deprecated methods which throw errors.

They were wrapper methods which caused a dependency on avahi-gobject
which should not exist.  They were deprecated several years ago with
the goal of removing them at some point, and I think that time has
come.
sdl, sdl-image: remove default params preceding parass without defaults

They cause a warning from valac, and you always have to provide values
for them in Vala, so they really aren't doing any good.
cogl-pango-1.0, libgdata: add missing dependencies