remove 2 unneeded lines

src/gajim.py

@@ -726,8 +726,6 @@ def init_regexp(self):
 			emot_file = gajim.config.get_per('emoticons', emot, 'path')
 			if not self.image_is_ok(emot_file):
 				continue
-			img = gtk.Image()
-			img.set_from_file(emot_file)
 			self.emoticons[emot] = emot_file
 		
 		# update regular expressions