Set information_schema.routines.is_udt_dependent to NO

It previously said YES, but that is incorrect.

doc/src/sgml/information_schema.sgml

@@ -4313,7 +4313,10 @@ ORDER BY c.ordinal_position;
      <row>
       <entry><literal>is_udt_dependent</literal></entry>
       <entry><type>yes_or_no</type></entry>
-      <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
+      <entry>
+       Currently always <literal>NO</literal>.  The alternative
+       <literal>YES</literal> applies to a feature not available in
+       <productname>PostgreSQL</></entry>.
      </row>
 
      <row>

src/backend/catalog/information_schema.sql

@@ -1410,7 +1410,7 @@ CREATE VIEW routines AS
            CAST(null AS time_stamp) AS created,
            CAST(null AS time_stamp) AS last_altered,
            CAST(null AS yes_or_no) AS new_savepoint_level,
-           CAST('YES' AS yes_or_no) AS is_udt_dependent, -- FIXME?
+           CAST('NO' AS yes_or_no) AS is_udt_dependent,
 
            CAST(null AS character_data) AS result_cast_from_data_type,
            CAST(null AS yes_or_no) AS result_cast_as_locator,