Revert "Merge branch 'muon_cabling_run3' into 'upgrade/master'"

This reverts merge request !159 (merged)

This is needed to unblock developments by other detectors and agreed at PAC this morning (26 Nov).

The changes will be applied back when issues with lhcb/Boole!358 (closed) and lhcb/LHCb!3133 (merged) are solved and are available in branch upgrade/sim-20211015-vc-md100-muoncabling-run3.

To develop further the muon code for Run3 one should use:

CondDB().Upgrade     = True
LHCbApp().DDDBtag   = "dddb-20211017-muoncabling-run3"
LHCbApp().CondDBtag = "sim-20211015-vc-md100-muoncabling-run3"

It requires DDDB!99 (merged) (i.e. the revert of DDDB!95 (merged))

cc: @satta, @gcavalle, @edelucia, @rmatev, @cattanem, @seaso, @kreps