docs: Remove "New" description of the libpqxx interface
Backpatch-through: 9.3
Branch------REL9_3_STABLE
Details-------https://git.postgresql.org/pg/commitdiff/a3445ccb774c673612863cfa5e0714eeba48eb0e
Modified Files--------------doc/src/sgml/external-projects.sgml | 2 +-1 file changed, 1 insertion(+), 1 deletion(-)
