pgsql: Remove deprecated abstime, reltime, tinterval datatypes.

Remove deprecated abstime, reltime, tinterval datatypes.

These types have been deprecated for a *long* time.

Catversion bump, for obvious reasons.

Author: Andres Freund
Discussion:
    https://postgr.es/m/20181009192237.34wjp3nmw7oynmmr@alap3.anarazel.de
    https://postgr.es/m/20171213080506.cwjkpcz3bkk6yz2u@alap3.anarazel.de
    https://postgr.es/m/25615.1513115237@sss.pgh.pa.us

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/cda6a8d01d391eab45c4b3e0043a1b2b31072f5f

Modified Files
--------------
doc/src/sgml/brin.sgml                     |   22 -
doc/src/sgml/catalogs.sgml                 |    4 +-
doc/src/sgml/datatype.sgml                 |    8 -
doc/src/sgml/xfunc.sgml                    |   20 -
src/backend/access/hash/hashvalidate.c     |    1 -
src/backend/catalog/system_views.sql       |    2 +-
src/backend/utils/adt/Makefile             |    2 +-
src/backend/utils/adt/date.c               |   50 -
src/backend/utils/adt/formatting.c         |    1 -
src/backend/utils/adt/nabstime.c           | 1541 ----------------------------
src/backend/utils/adt/selfuncs.c           |   17 -
src/bin/pg_dump/pg_dumpall.c               |    2 +-
src/include/catalog/catversion.h           |    2 +-
src/include/catalog/pg_aggregate.dat       |    6 -
src/include/catalog/pg_amop.dat            |   98 --
src/include/catalog/pg_amproc.dat          |   45 -
src/include/catalog/pg_cast.dat            |   26 -
src/include/catalog/pg_opclass.dat         |   16 -
src/include/catalog/pg_operator.dat        |  141 ---
src/include/catalog/pg_opfamily.dat        |   14 -
src/include/catalog/pg_proc.dat            |  198 ----
src/include/catalog/pg_type.dat            |   15 -
src/include/utils/datetime.h               |    2 +-
src/include/utils/nabstime.h               |  103 --
src/interfaces/ecpg/ecpglib/execute.c      |    6 -
src/test/regress/expected/abstime.out      |  136 ---
src/test/regress/expected/alter_table.out  |   30 +-
src/test/regress/expected/horology.out     |  210 ----
src/test/regress/expected/opr_sanity.out   |   34 +-
src/test/regress/expected/reltime.out      |  109 --
src/test/regress/expected/rules.out        |    2 +-
src/test/regress/expected/sanity_check.out |    3 -
src/test/regress/expected/tinterval.out    |  172 ----
src/test/regress/parallel_schedule         |    4 +-
src/test/regress/serial_schedule           |    3 -
src/test/regress/sql/abstime.sql           |   67 --
src/test/regress/sql/alter_table.sql       |   24 +-
src/test/regress/sql/horology.sql          |   62 --
src/test/regress/sql/opr_sanity.sql        |    2 -
src/test/regress/sql/reltime.sql           |   50 -
src/test/regress/sql/tinterval.sql         |   97 --
41 files changed, 29 insertions(+), 3318 deletions(-)