Обсуждение: pgsql: Remove useless casts

Remove useless casts

Some of these were uselessly casting away "const", some were just
nearby, but they where all unnecessary anyway.

Discussion: https://www.postgresql.org/message-id/flat/53a28052-f9f3-1808-fed9-460fd43035ab%402ndquadrant.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/cf40dc65b676c8df1ee12f060b40f0e37a183e04

Modified Files
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contrib/btree_gist/btree_utils_num.c | 24 ++++++++++++------------
src/backend/catalog/heap.c           |  2 +-
src/common/unicode_norm.c            |  2 +-
3 files changed, 14 insertions(+), 14 deletions(-)