edbus: remove old edbus(1) svn recipe

* it was moved to legacy git tree:
  http://git.enlightenment.org/legacy/e_dbus.git/


* there is newer 1.7.10 release but only efl version requirements
  were changed since 1.7.9 (see git diff v1.7.9 v1.7.10)

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>