EventInfoCnvAlg: Remove beginRun method

Remove the use of the deprecated `beginRun` method. The now obsolete
`DoBeginRun` property will be removed in a follow-up commit.

Event/xAOD/xAODEventInfoCnv/src/EventInfoCnvAlg.cxx

@@ -2,7 +2,6 @@
   Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
 */
 
-// $Id: EventInfoCnvAlg.cxx 751296 2016-06-01 08:00:25Z krasznaa $
 
 // System include(s):
 #include <memory>
@@ -159,29 +158,4 @@ namespace xAODMaker {
       return StatusCode::SUCCESS;
    }
 
-   StatusCode EventInfoCnvAlg::beginRun() {
-
-     if(m_doBeginRun && !Gaudi::Concurrency::ConcurrencyFlags::concurrent()) {
-       // Let the user know what's happening:
-       ATH_MSG_DEBUG( "Preparing xAOD::EventInfo object in beginRun()" );
-       
-       // Run the conversion using the execute function:
-       CHECK( execute (Gaudi::Hive::currentContext()) );
-     }
-     else {
-       // Supress warning about use of beginRun().
-#ifdef __GNUC__
-# pragma GCC diagnostic push
-# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-#endif
-       CHECK( Algorithm::beginRun() );
-#ifdef __GNUC__
-# pragma GCC diagnostic pop
-#endif
-     }
-
-     // Return gracefully:
-     return StatusCode::SUCCESS;
-   }
-
 } // namespace xAODMaker

Event/xAOD/xAODEventInfoCnv/src/EventInfoCnvAlg.h

-// Dear emacs, this is -*- c++ -*-
-
 /*
   Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
 */
 
-// $Id: EventInfoCnvAlg.h 751296 2016-06-01 08:00:25Z krasznaa $
 #ifndef XAODEVENTINFOCNV_EVENTINFOCNVALG_H
 #define XAODEVENTINFOCNV_EVENTINFOCNVALG_H
 
@@ -31,9 +28,6 @@ namespace xAODMaker {
     *         from an input (AOD) POOL file into an xAOD::EventInfo object.
     *
     * @author Attila Krasznahorkay <Attila.Krasznahorkay@cern.ch>
-    *
-    * $Revision: 751296 $
-    * $Date: 2016-06-01 10:00:25 +0200 (Wed, 01 Jun 2016) $
     */
    class EventInfoCnvAlg : public AthReentrantAlgorithm {
 
@@ -46,10 +40,6 @@ namespace xAODMaker {
       /// Function executing the algorithm
       virtual StatusCode execute (const EventContext& ctx) const override;
 
-      /// Function executed at the beginning of the job, once the first event
-      /// from the input file is already open
-      virtual StatusCode beginRun() override;
-
    private:
       /// Key for the input object
       /// If blank, we do a keyless retrieve from SG instead!