lua: fix koreus parsing.

(cherry picked from commit 8c826f3940e2af2001bd666febe69173792ee065)
Signed-off-by: Rémi Duraffort <ivoire@videolan.org>

share/lua/playlist/koreus.lua

@@ -47,11 +47,9 @@ function parse()
 			_,_,arturl = string.find( line, "href=\"(.-)\"" )
 		end
 
-		if string.match( line, "videoDiv\"%)%.innerHTML" ) then
         vid_url = string.match( line, '(http://media%d?%.koreus%.com/%d+/%d+/[%w-]*%.mp4)' )
 		if vid_url then
 			return { { path = vid_url; name = name; description = description; artist = artist; arturl = arturl } }
 		end
 	end
-	end
 end