Remove derivation configuration from DerivationFrameworkHiggs
As part of the discussion for migration HIGG2D1 during the AMG meeting, we are moving the configuration file for the HTXS truth decorator from the package to being hosted on CVMFS. The file was copied in on the ATLASG-2108 ticket.
Adding @aforti @csebasti @emmat @hrussell @jcatmore @ranovotn @vimartin @jojungge @goblirsc @carcange @gfrattar