Fix build warning in xAODForward package
This MR removes cached variables from selection.xml in xAODForward package. Fixes build warning. Follow-up to !23864 (merged).
Pinging @fwinkl
This MR removes cached variables from selection.xml in xAODForward package. Fixes build warning. Follow-up to !23864 (merged).
Pinging @fwinkl