delete blank lines

Digitisers/DCHDigi/src/DCHDigiAlg.cpp

@@ -110,7 +110,6 @@ StatusCode DCHDigiAlg::execute()
   auto SimHit0 = SimHitCol->at(0);
   std::map<unsigned long long, std::vector<decltype(SimHit0)>> id_hits_map;
 
-
   for( int i = 0; i < SimHitCol->size(); i++ ) 
   {
       auto SimHit = SimHitCol->at(i);