pgsql: Remove workarounds for avoiding [U]INT64_FORMAT in translatable

Remove workarounds for avoiding [U]INT64_FORMAT in translatable strings.

Further code simplification along the same lines as d914eb347
and earlier patches.

Aleksander Alekseev, Japin Li

Discussion: https://postgr.es/m/CAJ7c6TMSKi3Xs8h5MP38XOnQQpBLazJvVxVfPn++roitDJcR7g@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/1f8bc448680bf93a974cb5f52d496514ff67720c

Modified Files
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src/backend/access/brin/brin.c      |  14 ++--
src/backend/commands/copyfrom.c     |  37 ++++++-----
src/backend/commands/sequence.c     | 126 +++++++++---------------------------
src/backend/utils/adt/xid8funcs.c   |   5 +-
src/bin/pg_checksums/pg_checksums.c |  27 +++-----
5 files changed, 66 insertions(+), 143 deletions(-)