Reduce complexity of photon sequence, drop cleanPhotons and may redundant RECO sequences

(cherry picked from commit 08b535b71876e0fa8f2f03a9d0b92c0de1a7af92)
change default files to something accessible from everywhere

(cherry picked from commit e2458dad2dda51f744c9ad78f1e732ef917519bb)
re-run hiPhotonSequence after making track selections to calculate track Iso properly

(cherry picked from commit 07dcf9412e7b92c963357cb4370d4a193cb0f8e4)
further cleanups of photon sequence for pPb and pp where we want to keep hybrid photons and refrain from building island superclusters

(cherry picked from commit 9757d08a28b67184dcf59d977e0cc88e3691cc21)