Remove CaloFutureMergeTAE

This MR removes CaloFutureMergeTAE.cpp, since there's no more usage of it. Suggested by @cmarinbe.

added Calo RTA WP2 dd4hep labels

requested review from @cmarinbe

assigned to @gwan

added RTA label

The 'hlt2_reco_calo_only' has been tested locally.

added cleanup label

marked this merge request as ready

LGTM, let's test it

/ci-test

assigned to @gunther

added ci-test-triggered label

• [2022-08-31 21:55] Validation started with lhcb-master-mr#5553

resolved all threads

approved this merge request

unassigned @gunther and @gwan

assigned to @rmatev

@rmatev this one is an easy merge

merged

mentioned in commit 2e3d7103