Revert tests

src/test/regress/expected/citus_local_tables_mx.out

@@ -640,12 +640,6 @@ select logicalrelid from pg_dist_partition where logicalrelid::text like 'citus_
 
 set client_min_messages to error;
 alter table citus_local_parent_1 drop constraint fkey_to_drop_test;
-SELECT undistribute_table('citus_local_parent_1', true);
- undistribute_table
----------------------------------------------------------------------
-
-(1 row)
-
 select logicalrelid from pg_dist_partition where logicalrelid::text like 'citus_local_parent%';
  logicalrelid
 ---------------------------------------------------------------------

src/test/regress/sql/citus_local_tables_mx.sql

@@ -340,7 +340,6 @@ alter table citus_local_parent_1 add constraint fkey_to_drop_test foreign key(a)
 select logicalrelid from pg_dist_partition where logicalrelid::text like 'citus_local_parent%' order by logicalrelid;
 set client_min_messages to error;
 alter table citus_local_parent_1 drop constraint fkey_to_drop_test;
-SELECT undistribute_table('citus_local_parent_1', true);
 select logicalrelid from pg_dist_partition where logicalrelid::text like 'citus_local_parent%';
 
 -- verify attaching partition with a foreign key errors out