This reverts commit d453a03a.

For whatever reason the simulation does not work anymore, I have
to revert this commit for things to work again...

where it should have been frame*16+subframe)

does not handle TPC, plus the FAPI specification is not
clear about TPC, so let's handle that part in openair.

Merge branch 'feature-31-ff-scheduler-api' of https://gitlab.eurecom.fr/oai/openairinterface5g into feature-31-ff-scheduler-api

Conflicts:
	openair2/LAYER2/MAC/ff-mac.h

Conflicts:
	openair2/LAYER2/MAC/eNB_scheduler_dlsch.c