Rename THERMAL-NOISE vars to NOISE_FLOOR
OFDMADownLinkSystemPlugin, OFDMAUpLinkSystemPlugin – rename variable THERMAL_NOISE & THERMAL-NOISE-UE TO NOISE_FLOOR & NOISE_FLOOR_UE from ValueName change also in preSimulation
OFDMADownLinkSystemPlugin, OFDMAUpLinkSystemPlugin – rename variable THERMAL_NOISE & THERMAL-NOISE-UE TO NOISE_FLOOR & NOISE_FLOOR_UE from ValueName change also in preSimulation