progdocs: Remove outdated references in doxyref.h.

ASTERISK-29773

Change-Id: Ica93160d9158cc0e80c5fda829b80d1b49a6b9b9

cel/cel_beanstalkd.c

@@ -24,9 +24,6 @@
  *
  * This module requires the beanstalk-client library, avaialble from
  * https://github.com/deepfryed/beanstalk-client
- *
- * See also
- * \arg \ref AstCEL
  * \ingroup cel_drivers
  */
 

cel/cel_custom.c

@@ -22,9 +22,6 @@
  * \brief Custom Comma Separated Value CEL records.
  *
  * \author Steve Murphy <murf@digium.com>
- *
- * \arg See also \ref AstCEL
- *
  * Logs in LOG_DIR/cel_custom
  * \ingroup cel_drivers
  */

cel/cel_pgsql.c

@@ -30,10 +30,6 @@
  *
  * \author Steve Murphy <murf@digium.com>
  * PostgreSQL http://www.postgresql.org/
- *
- * See also
- * \arg \ref Config_cel
- * PostgreSQL http://www.postgresql.org/
  * \ingroup cel_drivers
  */
 

cel/cel_radius.c

@@ -21,8 +21,6 @@
  * \brief RADIUS CEL Support
  * \author Philippe Sultan
  * The Radius Client Library - http://developer.berlios.de/projects/radiusclient-ng/
- *
- * \arg See also \ref AstCEL
  * \ingroup cel_drivers
  */
 

cel/cel_sqlite3_custom.c

@@ -26,11 +26,6 @@
  *  Russell Bryant <russell@digium.com> from
  *  cdr_mysql_custom by Edward Eastman <ed@dm3.co.uk>,
  *	and cdr_sqlite by Holger Schurig <hs4233@mail.mn-solutions.de>
- *
- *
- * \arg See also \ref AstCEL
- *
- *
  * \ingroup cel_drivers
  */
 

cel/cel_tds.c

@@ -17,10 +17,7 @@
 /*! \file
  *
  * \brief FreeTDS CEL logger
- *
- * See also
- * \arg \ref Config_cel
- * \arg http://www.freetds.org/
+ * http://www.freetds.org/
  * \ingroup cel_drivers
  */