MERGE16_FIXME: delete command can only delete tuples from master

[chenjinbao1989]

contrib/pax_storage/src/test/regress/expected/create_view.out：1657
contrib/pax_storage/src/test/regress/expected/create_view_optimizer.out：1721
contrib/pax_storage/src/test/regress/sql/create_view.sql：603
src/test/regress/expected/create_view.out：1657
src/test/regress/expected/create_view_optimizer.out：1721
src/test/regress/sql/create_view.sql：603
src/test/singlenode_regress/expected/create_view.out：1636
src/test/singlenode_regress/sql/create_view.sql：576

MERGE16_FIXME: delete command can only delete tuples from master, But we
need to delete them from both master and segments

[tuhaihe]

It has been fixed by #1783 . If not, please reopen it. Thanks!