trivial: remove debugging print

wcs_olap/feeder.py

@@ -355,7 +355,6 @@ class WcsOlapFeeder(object):
         for table_name, constraint_name in self.cur.fetchall():
             # drop of PK constraints can have effects on FK constraint on other tables.
             with ignore_undefined_object_or_table():
-                print('Dropping s', constraint_name)
                 self.ex('ALTER TABLE %s.%s DROP CONSTRAINT IF EXISTS %s CASCADE'
                         % (quote(schema), quote(table_name), quote(constraint_name)))
         # remove others