pgsql: Remove unused #include's from contrib, pl, test .c files

Remove unused #include's from contrib, pl, test .c files

as determined by IWYU

Similar to commit dbbca2cf299, but for contrib, pl, and src/test/.

Reviewed-by: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
Discussion: https://www.postgresql.org/message-id/flat/0df1d5b1-8ca8-4f84-93be-121081bde049%40eisentraut.org

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/9be4e5d293b554d8a0800790c57fc707a3b5cf0f

Modified Files
--------------
contrib/amcheck/verify_heapam.c | 6 +++-
contrib/amcheck/verify_nbtree.c | 2 --
contrib/auth_delay/auth_delay.c | 2 --
contrib/auto_explain/auto_explain.c | 2 --
contrib/basic_archive/basic_archive.c | 1 -
contrib/bloom/blcost.c | 1 -
contrib/bloom/blinsert.c | 4 +--
contrib/bloom/blscan.c | 4 ---
contrib/bloom/blutils.c | 5 +--
contrib/bloom/blvacuum.c | 4 ---
contrib/bloom/blvalidate.c | 2 --
contrib/btree_gin/btree_gin.c | 3 --
contrib/btree_gist/btree_bit.c | 3 +-
contrib/btree_gist/btree_bool.c | 1 -
contrib/btree_gist/btree_bytea.c | 3 +-
contrib/btree_gist/btree_date.c | 2 +-
contrib/btree_gist/btree_enum.c | 2 +-
contrib/btree_gist/btree_inet.c | 1 -
contrib/btree_gist/btree_interval.c | 2 +-
contrib/btree_gist/btree_macaddr.c | 2 +-
contrib/btree_gist/btree_macaddr8.c | 2 +-
contrib/btree_gist/btree_text.c | 3 +-
contrib/btree_gist/btree_time.c | 2 +-
contrib/btree_gist/btree_ts.c | 4 +--
contrib/btree_gist/btree_utils_num.h | 1 -
contrib/btree_gist/btree_utils_var.c | 3 +-
contrib/btree_gist/btree_utils_var.h | 1 -
contrib/citext/citext.c | 2 +-
contrib/dict_xsyn/dict_xsyn.c | 2 +-
contrib/fuzzystrmatch/fuzzystrmatch.c | 1 -
contrib/intarray/_int_bool.c | 1 -
contrib/intarray/_int_selfuncs.c | 3 +-
contrib/isn/isn.c | 1 -
contrib/lo/lo.c | 2 +-
contrib/ltree/ltree_io.c | 1 -
contrib/ltree/ltree_op.c | 4 +--
contrib/pageinspect/brinfuncs.c | 4 ---
contrib/pageinspect/fsmfuncs.c | 2 +-
contrib/pageinspect/ginfuncs.c | 3 --
contrib/pageinspect/gistfuncs.c | 3 --
contrib/pageinspect/heapfuncs.c | 1 -
contrib/pg_freespacemap/pg_freespacemap.c | 2 +-
contrib/pg_prewarm/autoprewarm.c | 9 +----
contrib/pg_stat_statements/pg_stat_statements.c | 3 --
contrib/pg_surgery/heap_surgery.c | 4 +--
contrib/pg_visibility/pg_visibility.c | 2 --
contrib/pgcrypto/pgcrypto.c | 1 -
contrib/pgrowlocks/pgrowlocks.c | 2 +-
contrib/pgstattuple/pgstatapprox.c | 6 ----
contrib/pgstattuple/pgstatindex.c | 3 --
contrib/pgstattuple/pgstattuple.c | 1 -
contrib/postgres_fdw/connection.c | 4 ---
contrib/postgres_fdw/deparse.c | 2 --
contrib/postgres_fdw/option.c | 1 -
contrib/postgres_fdw/postgres_fdw.c | 3 --
contrib/spi/moddatetime.c | 2 +-
contrib/tablefunc/tablefunc.c | 2 +-
contrib/tablefunc/tablefunc.h | 39 ----------------------
contrib/tsm_system_rows/tsm_system_rows.c | 1 -
contrib/tsm_system_time/tsm_system_time.c | 1 -
contrib/unaccent/unaccent.c | 2 --
contrib/xml2/xpath.c | 1 -
contrib/xml2/xslt_proc.c | 3 --
src/pl/plperl/plperl.c | 1 -
src/pl/plpgsql/src/pl_comp.c | 3 +-
src/pl/plpgsql/src/pl_exec.c | 5 ---
src/pl/plpython/plpy_cursorobject.c | 2 --
src/pl/plpython/plpy_exec.c | 4 +--
src/pl/plpython/plpy_planobject.c | 1 -
src/pl/plpython/plpy_plpymodule.c | 3 --
src/pl/plpython/plpy_procedure.c | 3 --
src/pl/plpython/plpy_spi.c | 3 --
src/pl/plpython/plpy_util.c | 1 -
src/pl/tcl/pltcl.c | 3 +-
src/test/modules/delay_execution/delay_execution.c | 2 +-
src/test/modules/dummy_index_am/dummy_index_am.c | 2 --
.../ldap_password_func/ldap_password_func.c | 4 +--
src/test/modules/libpq_pipeline/libpq_pipeline.c | 2 --
src/test/modules/plsample/plsample.c | 2 +-
.../modules/test_ddl_deparse/test_ddl_deparse.c | 1 -
src/test/modules/test_integerset/test_integerset.c | 4 ---
src/test/modules/test_oat_hooks/test_oat_hooks.c | 1 -
src/test/modules/test_radixtree/test_radixtree.c | 2 --
src/test/modules/test_regex/test_regex.c | 1 -
.../modules/test_resowner/test_resowner_basic.c | 2 --
.../modules/test_resowner/test_resowner_many.c | 1 -
src/test/modules/test_rls_hooks/test_rls_hooks.c | 1 -
src/test/modules/test_shm_mq/setup.c | 1 -
src/test/modules/test_slru/test_multixact.c | 2 +-
src/test/modules/test_tidstore/test_tidstore.c | 1 -
src/test/modules/worker_spi/worker_spi.c | 4 ---
src/test/regress/pg_regress.c | 1 -
src/test/regress/regress.c | 3 --
93 files changed, 40 insertions(+), 218 deletions(-)