Merge branch 'remove-unneccessary-headers-from-particle-h' into 'master'

remove unused headers from Particle.h

See merge request lhcb/LHCb!4502

Event/PhysEvent/include/Event/Particle.h

@@ -9,9 +9,6 @@
 * or submit itself to any jurisdiction.                                       *
 \*****************************************************************************/
 #pragma once
-
-// Include files
-#include "Event/PrVeloTracks.h"
 #include "Event/ProtoParticle.h"
 #include "Event/VertexBase.h"
 #include "GaudiKernel/GaudiException.h"
@@ -33,14 +30,10 @@
 #include "Kernel/Traits.h"
 #include "LHCbMath/MatVec.h"
 #include <algorithm>
-#include <boost/container/static_vector.hpp>
 #include <iterator>
 #include <ostream>
 #include <vector>
 
-// Forward declarations
-//
-
 namespace LHCb {
 
   // Forward declarations