Fix redundancy in error messages

Peter Eisentraut <peter@eisentraut.org>

Commit: 16a3415440ecf2f5cd02848fc05cbfe040ce14c2
Author: Peter Eisentraut <peter@eisentraut.org>
Date: 2024-06-20T09:17:21Z
Releases: 17.0
Fix redundancy in error messages

pg_log_error() already prints the program name, so we don't need to
print it again inside the message.

Files