docs: remove outdated note about unique indexes

Bruce Momjian <bruce@momjian.us>

Commit: 06502185d8352258560b7fad82571d159dff8658
Author: Bruce Momjian <bruce@momjian.us>
Date: 2015-08-31T21:05:22Z
Releases: 9.5.0
docs:  remove outdated note about unique indexes

Patch by Josh Kupershmidt

Backpatch through 9.5

Files

PathChange+/−
doc/src/sgml/indices.sgml modified +1 −5