pgsql: formatting.c cleanup: Remove unnecessary zeroize macros

formatting.c cleanup: Remove unnecessary zeroize macros

Replace with initializer or memset().

Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/6dd9d208-a3ed-49b5-b03d-8617261da973%40eisentraut.org

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/9a1a5dfee8bbab0b258472800f7e0be5836ad4f6

Modified Files
--------------
src/backend/utils/adt/formatting.c | 22 +++-------------------
1 file changed, 3 insertions(+), 19 deletions(-)