[pitivi] effects: Cleanup a bit the construction of the useless title words regex

[Thibault Saunier <tsaunier src gnome org>]

commit e1228de94b84f0776fb7ba1301267ba13b795b28
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Tue Sep 30 00:07:58 2014 +0200

    effects: Cleanup a bit the construction of the useless title words regex

 pitivi/effects.py |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)
---
diff --git a/pitivi/effects.py b/pitivi/effects.py
index 3e19ff5..caf046f 100644
--- a/pitivi/effects.py
+++ b/pitivi/effects.py
@@ -267,13 +267,10 @@ class EffectsManager(object):
         @type element_factory: L{Gst.ElementFactory}
         @return: A human readable name C{str} for the effect
         """
-        #TODO check if it is the good way to make it translatable
-        #And to filter actually!
         video = _("Video")
-        audio = _("Audio |audio")
+        audio = _("Audio")
         effect = _("effect")
-        pipe = " |"
-        uselessWords = re.compile(video + pipe + audio + pipe + effect)
+        uselessWords = re.compile(" |".join([video, audio, audio.lower(), effect]))
         return uselessWords.sub("", element_factory.get_longname()).title()
 
     def getVideoCategories(self, aware=True):