Pairs creation is System 3 specific

[jrudoler]

Pairs includes constraints that are not relevant (MUX-related) and have distal references which are undesirable for system 4.

Question outstanding: should we add pairs that are compatible with other systems, or just include a warning in cmlreaders about pairs.json being system 3 specific?

event_creation/event_creation/submission/neurorad_tasks.py

Lines 240 to 253 in dd84321

	def read_jacksheet(self,jacksheet):
	nums_to_labels = {}
	labels_to_nums = {}
	with open(jacksheet) as jack_file:
	for line in jack_file.read().splitlines():
	num,label = line.strip().split()
	num=int(num)
	label=label
	nums_to_labels[num] = label
	labels_to_nums[label] = num
	self.nums_to_labels = nums_to_labels
	self.labels_to_nums = labels_to_nums
	if self.reference_scheme == 'bipolar':
	self.pairs_frame = bptools.pairs.create_pairs(jacksheet)