pgsql: Don't install ICU collation keyword variants

Don't install ICU collation keyword variants

Users can still create them themselves. Instead, document Unicode TR 35
collation options for ICU, so users can create all this themselves.

Reviewed-by: Peter Geoghegan <pg@bowt.ie>

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/2bfd1b1ee562c4e4fd065c7f7d1beaa9b9852070

Modified Files
--------------
doc/src/sgml/charset.sgml | 98 ++++++++++++++++++++++++++++++------
src/backend/commands/collationcmds.c | 71 --------------------------
2 files changed, 84 insertions(+), 85 deletions(-)

--
Sent via pgsql-committers mailing list (pgsql-committers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-committers