Revert "Wait until got session"

This reverts commit fa3d533354.

discordbot/titanembeds/database/__init__.py

@@ -33,13 +33,7 @@ class DatabaseInterface(object):
 
     @contextmanager
     def get_session(self) -> Session:
-        got_session = False
-        while not got_session:
-            try:
         session = self._sessionmaker()  # type: Session
-                got_session = True
-            except:
-                pass
         try:
             yield session
             session.commit()