pgsql: Fix inconsistencies and typos in the tree, take 10

Fix inconsistencies and typos in the tree, take 10

This addresses some issues with unnecessary code comments, fixes various
typos in docs and comments, and removes some orphaned structures and
definitions.

Author: Alexander Lakhin
Discussion: https://postgr.es/m/9aabc775-5494-b372-8bcb-4dfc0bd37c68@gmail.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/66bde49d96a9ddacc49dcbdf1b47b5bd6e31ead5

Modified Files
--------------
contrib/fuzzystrmatch/dmetaphone.c | 2 +-
contrib/ltree/ltxtquery_io.c | 2 +-
contrib/pgcrypto/internal.c | 19 -------------------
contrib/pgcrypto/pgp-decrypt.c | 7 +++++--
contrib/pgcrypto/pgp-encrypt.c | 2 +-
contrib/pgcrypto/pgp.h | 2 +-
contrib/sepgsql/label.c | 2 +-
contrib/sepgsql/selinux.c | 6 ++----
contrib/spi/refint.example | 2 +-
doc/src/sgml/ecpg.sgml | 2 +-
doc/src/sgml/plpgsql.sgml | 8 ++++----
doc/src/sgml/sources.sgml | 2 +-
src/backend/access/brin/brin_revmap.c | 7 ++++---
src/backend/access/gist/gist.c | 4 ++--
src/backend/access/hash/hashpage.c | 2 +-
src/backend/access/heap/heapam.c | 2 +-
src/backend/access/nbtree/nbtutils.c | 2 +-
src/backend/access/transam/slru.c | 2 +-
src/backend/access/transam/xact.c | 2 +-
src/backend/access/transam/xlogreader.c | 2 +-
src/backend/catalog/catalog.c | 7 -------
src/backend/catalog/pg_constraint.c | 2 +-
src/backend/commands/cluster.c | 2 +-
src/backend/commands/sequence.c | 2 +-
src/backend/executor/spi.c | 4 ++--
src/backend/libpq/auth.c | 2 +-
src/backend/libpq/pqcomm.c | 8 ++++----
src/backend/optimizer/path/costsize.c | 2 +-
src/backend/partitioning/partbounds.c | 2 +-
src/backend/partitioning/partprune.c | 2 +-
src/backend/port/posix_sema.c | 2 +-
src/backend/port/win32/signal.c | 2 +-
src/backend/postmaster/checkpointer.c | 2 +-
src/backend/replication/basebackup.c | 2 +-
src/backend/replication/logical/snapbuild.c | 2 +-
src/backend/replication/logical/worker.c | 2 +-
src/backend/replication/slot.c | 4 ++--
src/backend/storage/file/fd.c | 4 ----
src/backend/storage/ipc/procarray.c | 8 +++-----
src/backend/storage/lmgr/lwlock.c | 4 ++--
src/backend/storage/lmgr/predicate.c | 4 ++--
src/backend/utils/adt/pg_locale.c | 2 +-
src/backend/utils/adt/rangetypes_typanalyze.c | 2 +-
src/backend/utils/adt/txid.c | 2 +-
src/backend/utils/adt/varlena.c | 2 +-
src/backend/utils/adt/xml.c | 2 +-
src/backend/utils/misc/check_guc | 2 +-
src/backend/utils/mmgr/slab.c | 2 +-
src/backend/utils/sort/tuplesort.c | 2 +-
src/bin/pg_dump/pg_backup_archiver.c | 2 +-
src/bin/pg_rewind/pg_rewind.c | 2 +-
src/bin/pg_upgrade/pg_upgrade.h | 2 +-
src/include/access/brin_revmap.h | 2 +-
src/include/access/hash_xlog.h | 13 -------------
src/include/access/reloptions.h | 2 +-
src/include/access/xlogreader.h | 2 +-
src/include/catalog/namespace.h | 2 +-
src/include/nodes/nodes.h | 4 ++--
src/include/port/win32_port.h | 2 +-
src/include/rewrite/prs2lock.h | 2 +-
src/include/storage/standbydefs.h | 2 +-
src/include/utils/elog.h | 2 +-
src/include/utils/guc.h | 2 +-
src/include/utils/rel.h | 2 +-
src/include/utils/selfuncs.h | 2 +-
src/interfaces/ecpg/compatlib/informix.c | 7 +------
src/interfaces/libpq/libpq-fe.h | 2 +-
src/pl/plpython/plpy_subxactobject.c | 2 +-
src/port/getaddrinfo.c | 4 ++--
src/test/isolation/specs/sequence-ddl.spec | 2 +-
src/test/recovery/t/012_subtransactions.pl | 2 +-
src/test/regress/.gitignore | 2 +-
src/timezone/pgtz.c | 2 +-
src/tools/pgindent/README | 2 +-
74 files changed, 93 insertions(+), 141 deletions(-)