Thread: pgsql: docs: Remove notes about incompatibilies with very old versions.

docs: Remove notes about incompatibilies with very old versions.

These are old enough that they'll cause more confusion and distraction
to new readers, than they could help anyone upgrade from very old
servers.

Discussion: https://www.postgresql.org/message-id/fd93f1c5-7818-a02c-01e5-1075ac0d4def%40iki.fi

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/fa42c2ecb0f6e89f74bc1cc37b56a1d43e45d513

Modified Files
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doc/src/sgml/func.sgml              | 37 -------------------------------------
doc/src/sgml/high-availability.sgml | 36 ------------------------------------
doc/src/sgml/indexam.sgml           |  1 -
doc/src/sgml/installation.sgml      |  3 ---
doc/src/sgml/pgfreespacemap.sgml    |  7 -------
doc/src/sgml/ref/pg_dumpall.sgml    |  5 +----
6 files changed, 1 insertion(+), 88 deletions(-)