pgsql: Remove now superfluous declarations of dlsym()ed symbols.

Remove now superfluous declarations of dlsym()ed symbols.

The prior commit declared them centrally.

Author: Andres Freund <andres(at)anarazel(dot)de>
Reviewed-By: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Discussion: https://postgr.es/m/20211101020311.av6hphdl6xbjbuif@alap3.anarazel.de

Branch
------
master

Details
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https://git.postgresql.org/pg/commitdiff/fd4bad1655391582f639527c325fc4a99680cc64

Modified Files
--------------
contrib/auth_delay/auth_delay.c | 2 --
contrib/auto_explain/auto_explain.c | 2 --
contrib/basebackup_to_shell/basebackup_to_shell.c | 2 --
contrib/basic_archive/basic_archive.c | 3 ---
contrib/bloom/bloom.h | 1 -
contrib/hstore_plperl/hstore_plperl.c | 2 --
contrib/hstore_plpython/hstore_plpython.c | 2 --
contrib/isn/isn.c | 2 --
contrib/jsonb_plpython/jsonb_plpython.c | 2 --
contrib/ltree_plpython/ltree_plpython.c | 2 --
contrib/passwordcheck/passwordcheck.c | 2 --
contrib/pg_prewarm/autoprewarm.c | 1 -
contrib/pg_stat_statements/pg_stat_statements.c | 2 --
contrib/pg_trgm/trgm_op.c | 2 --
contrib/postgres_fdw/option.c | 2 --
contrib/sepgsql/hooks.c | 1 -
contrib/test_decoding/test_decoding.c | 4 ----
src/backend/replication/libpqwalreceiver/libpqwalreceiver.c | 2 --
src/backend/replication/pgoutput/pgoutput.c | 2 --
src/pl/plperl/plperl.c | 1 -
src/pl/plpgsql/src/plpgsql.h | 5 -----
src/pl/plpython/plpy_main.c | 2 --
src/pl/tcl/pltcl.c | 1 -
src/test/modules/delay_execution/delay_execution.c | 3 ---
src/test/modules/dummy_index_am/dummy_index_am.c | 2 --
src/test/modules/dummy_seclabel/dummy_seclabel.c | 3 ---
src/test/modules/ssl_passphrase_callback/ssl_passphrase_func.c | 2 --
src/test/modules/test_oat_hooks/test_oat_hooks.c | 2 --
src/test/modules/test_rls_hooks/test_rls_hooks.c | 2 --
src/test/modules/test_shm_mq/test.c | 2 --
src/test/modules/worker_spi/worker_spi.c | 1 -
31 files changed, 64 deletions(-)