vimeo.lua: remove useless test

This was only useful when we had several URLs to handle

share/lua/playlist/vimeo.lua

@@ -42,7 +42,6 @@ end
 
 -- Parse function.
 function parse()
-    if string.match ( vlc.path, "vimeo.com/%d+$" ) then
     _,_,id = string.find( vlc.path, "vimeo.com/([0-9]*)")
     prefres = get_prefres()
     ishd = false
@@ -106,6 +105,4 @@ function parse()
     end
     path = "http://player.vimeo.com/play_redirect?quality="..quality.."&codecs="..codec.."&clip_id="..id.."&time="..tstamp.."&sig="..rsig.."&type=html5_desktop_local"
     return { { path = path; name = name; arturl = arturl, duration = duration } }
-    end
-    return {}
 end