Logic related to programming non coherent and thread arbitration policy for
gens 9 and 11 has been moved to EncodeComputeMode object, where similar
logic for gens gen12lp and newer is located.
Functions PreambleHelper::programThreadArbitration and
PreambleHelper::getThreadArbitrationCommandsSize have been removed.
Redundant setForceNonCoherent call has been removed from XE HPG
Related-To: NEO-6728
Signed-off-by: Filip Hazubski <filip.hazubski@intel.com>