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 1d04494cdbbf14ea22982c09758899d3daeeaabc..3bde3aef54a76cf8b7a476e7018d93ef3d1b4a10 100644 (file)
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -1388,15 +1388,6 @@ 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>