Remove VTE bindings
@astavale
Submitted by Al Thomas Link to original bug (#781853)
Description
Upstream added a commit to generate the VAPIs on 31 March 2014: https://git.gnome.org/browse/vte/commit/?id=080c8b4d88ec33597e71c4b4822fc784f9bc97e4
Vala carries both a vte.vapi and a vte-2.90.vapi