doc: simplify intermediate certificate mention in libpq docs
Backpatch-through: 9.3
Branch------REL9_6_STABLE
Details-------https://git.postgresql.org/pg/commitdiff/cda1ba3f3bebd5a61bef981773c4cbb97ad33590
Modified Files--------------doc/src/sgml/libpq.sgml | 9 ++++-----1 file changed, 4 insertions(+), 5 deletions(-)
