Обсуждение: pgsql: Fix redundant error messages in client tools

Fix redundant error messages in client tools

A few client tools duplicate error messages already provided by libpq.

Discussion: https://www.postgresql.org/message-id/flat/3e937641-88a1-e697-612e-99bba4b8e5e4%40enterprisedb.com

Branch
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REL_13_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/f3ad4fddfaf71e8f6f037cd627f398ba43625ca1

Modified Files
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src/bin/pg_basebackup/streamutil.c | 3 +--
src/bin/pg_rewind/libpq_fetch.c    | 3 +--
src/bin/psql/startup.c             | 2 +-
3 files changed, 3 insertions(+), 5 deletions(-)