pgsql: Partially revert "Insert temporary debugging output in regressio

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pgsql: Partially revert "Insert temporary debugging output in regressio

Tom Lane-2
Partially revert "Insert temporary debugging output in regression tests."

This reverts much of commit f03a9ca4366d064d89b7cf7ed75d4e43f2ed0667,
but leaves the relpages/reltuples probe in select_parallel.sql.
The pg_stat_all_tables probes are unstable enough to be annoying,
and it no longer seems likely that they will teach us anything more
about the underlying problem.  I'd still like some more confirmation
though that the observed plan instability is caused by VACUUM leaving
relpages/reltuples as zero for one of these tables.

Discussion: https://postgr.es/m/CA+hUKG+0CxrKRWRMf5ymN3gm+BECHna2B-q1w8onKBep4HasUw@...

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/b43f7c117e667fb51df36ca62e6c86054b0f8d03

Modified Files
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src/test/regress/expected/select_parallel.out | 13 -------------
src/test/regress/expected/stats.out           | 27 ---------------------------
src/test/regress/sql/select_parallel.sql      |  3 ---
src/test/regress/sql/stats.sql                |  8 --------
4 files changed, 51 deletions(-)