doc: Remove stray comma from list of psql options

Back in 7.2 the list of options had short options and long options
on the same line separated by comma, but since 7.3 they are listed
separate lines. The comma on -X was left behind so fix by removing
and backpatching all the way.

Reported-by: y.saburov@gmail.com
Discussion: https://postgr.es/m/171267154345.684.7212826057932148541@wrigleys.postgresql.org
Backpatch-through: v12

diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml
index 32eee145acd03af7f17d0c668498672b25ca3f39..8f0a6f88360125308defeda75916017b5a98badb 100644 (file)
--- a/doc/src/sgml/ref/psql-ref.sgml
+++ b/doc/src/sgml/ref/psql-ref.sgml
@@ -547,7 +547,7 @@ EOF
     </varlistentry>
 
     <varlistentry>
-      <term><option>-X,</option></term>
+      <term><option>-X</option></term>
       <term><option>--no-psqlrc</option></term>
       <listitem>
       <para>