Remove the useless else.

We return the value in the if condition, so the else is not necessary.

Change-Id: I1de4b7f7f7ea3634e3a2d49704f689205f746085

oslo_db/sqlalchemy/types.py

@@ -106,8 +106,7 @@ class SoftDeleteInteger(TypeDecorator):
         """Return the binding parameter."""
         if value is None:
             return None
-        else:
-            return int(value)
+        return int(value)
 
 
 class String(_String):