docs: Remove tabs recently introduced by me.
Branch------master
Details-------https://git.postgresql.org/pg/commitdiff/7f6570b3a8d1aa8e90ab0868eefa5a4236b0ada3
Modified Files--------------doc/src/sgml/release.sgml | 4 ++--1 file changed, 2 insertions(+), 2 deletions(-)
