doc: PG 14 relnote, move system view items to the proper sect.
Backpatch-through: 14 only
Branch------REL_14_STABLE
Details-------https://git.postgresql.org/pg/commitdiff/6f566f0e9b1aab41eea1ca1991e04e3d8a79c198
Modified Files--------------doc/src/sgml/release-14.sgml | 58 ++++++++++++++++++++++----------------------1 file changed, 29 insertions(+), 29 deletions(-)
