docs: remove outdated note about unique indexes

Bruce Momjian <bruce@momjian.us>

Commit: 049a7799dfce096923da27a9b0e4a3c7a0a47104
Author: Bruce Momjian <bruce@momjian.us>
Date: 2015-08-31T21:05:23Z
Releases: 9.6.0
docs:  remove outdated note about unique indexes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

Documentation touched