doc: remove xreflabels used in PG 13 relnotes
authorBruce Momjian <bruce@momjian.us>
Thu, 11 Jun 2020 22:27:59 +0000 (18:27 -0400)
committerBruce Momjian <bruce@momjian.us>
Thu, 11 Jun 2020 22:27:59 +0000 (18:27 -0400)
commitdb680fd82ede99d9a5224a1d316a64d763be1acc
treef2452db83cb3d92051d745a15790a9172162141d
parentc04612040165582f60cbcfe8ca1771598c9f3a05
doc:  remove xreflabels used in PG 13 relnotes

xreflabels were removed in a previous commit

Discussion: https://postgr.es/m/8315c0ca-7758-8823-fcb6-f37f9413e6b6@2ndquadrant.com

Backpatch-through: 13 only
doc/src/sgml/release-13.sgml