Still need to caliibrate shifts -J.

Conflicts:
	openair1/PHY/TOOLS/lte_phy_scope.c
	openair1/SIMULATION/LTE_PHY/dlsim.c

Fixing new modulation tables for TM4 and TM6. Now all modulation orders and combinations work and the maginutes are at  appropriate level.

Merge branch 'feature-59-tm4' of https://gitlab.eurecom.fr/oai/openairinterface5g into feature-59-tm4

Streams must have the same shift, otherwise error floor. O
This reverts commit dbf587a5.

in openair2/ENB_APP/enb_config.c
it was tested against 63, it should be tested against 15
no impact on processing whatsoever so no need to test

Bug in modulation.c with new qam tables. Error floor for 16QAM and 64QAM. Going back to old ones till fix the bug.