Remove mention of the version number from pg_trgm docs

We don't usually mention the version number in similar situations.  So, neither
mention it here.

Reported-by: Bruce Momjian
Discussion: https://postgr.es/m/20210503234914.GO6180%40momjian.us

diff --git a/doc/src/sgml/pgtrgm.sgml b/doc/src/sgml/pgtrgm.sgml
index ca97c7ce00a9da952173d566abaf68b2365ecebe..7e292822553e5191a9a00b4d6d709bfaf71ea73b 100644 (file)
--- a/doc/src/sgml/pgtrgm.sgml
+++ b/doc/src/sgml/pgtrgm.sgml
@@ -415,9 +415,8 @@
    the purpose of very fast similarity searches.  These index types support
    the above-described similarity operators, and additionally support
    trigram-based index searches for LIKE, ILIKE,
-   ~ and ~* queries.  Beginning in
-   PostgreSQL 14, these indexes also support
-   the equality operator (inequality operators are not supported).
+   ~, ~* and = queries.
+   Inequality operators are not supported.
    Note that those indexes may not be as efficient as regular B-tree indexes
    for equality operator.