Updated the Hall C bpm positions to the fall 2023 survey data

[cploen]

recalculated z positions of hall bpms using fall 2023 survey: (https://www.jlab.org/accel/survalign/documents%20(k)/dthallc/C2084.pdf) BPM A < 1mm diff BPM B ~ 2mm diff BPM C ~ 50mm diff