doc: Remove reference to tty libpq connstring param

The tty connection string parameter was removed in commit 14d9b3760
but the reference to it in the docs was mistakenly kept.  Fix by
removing it from the libpq documentation.  Backpatch through v14
where the parameter was removed.

Author: Noriyoshi Shinoda <noriyoshi.shinoda@hpe.com>
Discussion: https://postgr.es/m/DM4PR84MB173433216FCC2A3961879000EE6B9@DM4PR84MB1734.NAMPRD84.PROD.OUTLOOK.COM
Backpatch-through: 14

diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index 840ca71f39d7f2ef9763f7592c49c9cee0fb62c9..8a1a9e9932c24403d60a92ebb8bec3d0a0f75cf8 100644 (file)
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -1387,15 +1387,6 @@ postgresql://%2Fvar%2Flib%2Fpostgresql/dbname
       </listitem>
      </varlistentry>
 
-     <varlistentry id="libpq-connect-tty" xreflabel="tty">
-      <term><literal>tty</literal></term>
-      <listitem>
-      <para>
-       Ignored (formerly, this specified where to send server debug output).
-      </para>
-      </listitem>
-     </varlistentry>
-
      <varlistentry id="libpq-connect-replication" xreflabel="replication">
       <term><literal>replication</literal></term>
       <listitem>