TrigFTK_RawDataAlgs: Fix clang warnings.

clang warnings: unused private data members.

Trigger/TrigFTK/TrigFTK_RawDataAlgs/TrigFTK_RawDataAlgs/FTK_RDO_CreatorAlgo.h

@@ -46,7 +46,6 @@ private:
   std::vector< std::string > m_ftktrack_paths_merged;
   // chain  of ftk merged tracks
   TChain *m_mergedtracks_chain;
-  TTree *m_mergedtracks_tree;
   // streams with the merged roads
   FTKTrackStream *m_mergedtracks_stream;
   std::string m_mergedtracks_bname; // name to be used for the merged tracks' branch name

Trigger/TrigFTK/TrigFTK_RawDataAlgs/TrigFTK_RawDataAlgs/FTK_RDO_ReaderAlgo.h

@@ -77,7 +77,6 @@ private:
 
   std::string m_verticesKey;
   std::string m_ftk_raw_trackcollection_Name;
-  FTK_RawTrackContainer *m_ftk_raw_trackcollection;
 
   bool m_getTracks;
   //  std::string m_TrackCollectionName;

Trigger/TrigFTK/TrigFTK_RawDataAlgs/src/FTK_RDO_CreatorAlgo.cxx

@@ -33,7 +33,6 @@ FTK_RDO_CreatorAlgo::FTK_RDO_CreatorAlgo(const std::string& name, ISvcLocator* p
   AthAlgorithm(name, pSvcLocator),
   m_ftktrack_paths_merged(0),
   m_mergedtracks_chain(nullptr),
-  m_mergedtracks_tree(nullptr),
   m_mergedtracks_stream(nullptr),
   m_mergedtracks_bname("FTKBankMerged"), /* Old standalone name is FTKBankMerged, prdosys FTKMergedTracksStream */
   m_mergedtracks_iev(0),