Removed a change from the previous commit because I would not have done it. I need sleep.

src/common/logger.py

@@ -974,13 +974,8 @@ class Logger:
 			(account_jid_id, jid_id))
 		# Then we add all new groups information
 		for group in groups:
-			try:
-				self.cur.execute('INSERT INTO roster_group VALUES(?, ?, ?)',
-					(account_jid_id, jid_id, group))
-			except IntegrityError:
-				# Some servers (like jabberd) seems to put contact twice in the
-				# roster. So we do nothing if it appears. (see #5206)
-				pass
+			self.cur.execute('INSERT INTO roster_group VALUES(?, ?, ?)',
+				(account_jid_id, jid_id, group))
 
 		if name is None:
 			name = ''