Redefine the global event cut to not use UT information

This removes the use of UT information from the global event cut. The default cut value is not changed which as a byproduct means that the GEC in Allen will become more of a "sanity" cut removing only the really few very highest occupancy events, which probably goes in the direction we want to go long-term anyway ( @mvesteri @decianm ). This will be a mess of reference updates and I may well have forgotten something but otherwise is ready for review @dovombru @dcampora @raaij

With this MR, the following slowdown is observed due to loosening the GEC:

Device                        Throughput (kHz)    Reference Throughput (kHz)  Speedup    % change    Status
--------------------------  ------------------  ----------------------------  ---------  ----------  ---------
NVIDIA RTX A5000                        136.13                        149.7   0.91x      -9.07%      DECREASED
AMD EPYC 7502 32-Core                    16.72                         17.27  0.97x      -3.20%      OK
NVIDIA GeForce RTX 2080 Ti              110.87                        120.8   0.92x      -8.22%      DECREASED
NVIDIA GeForce RTX 3090                 176.63                        194.07  0.91x      -8.98%      DECREASED
Device-averaged speedup: 0.93x
               % change: -7.37%
                 status: DECREASED