pgsql: Revert recent SQL/JSON related commits - Mailing list pgsql-committers

Revert recent SQL/JSON related commits

Reverts 68222851d5a8, 565caaa79af, and 3a97460970f, because a few
BF animals didn't like one or all of them.

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/4d7e24e0f4d05b546228488ccdc2848a80245ffb

Modified Files
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src/backend/executor/execExpr.c                 | 30 +++++------------
src/backend/parser/parse_expr.c                 |  4 +--
src/backend/utils/adt/ruleutils.c               | 10 +++---
src/test/regress/expected/sqljson_jsontable.out | 43 -------------------------
src/test/regress/sql/sqljson_jsontable.sql      | 10 ------
5 files changed, 15 insertions(+), 82 deletions(-)