restore 8 exempt classical payloads (content-hold-exempt.json)

content hold: remove 14 payloads

scores (clean; PDMX=74 PD-composer) (part 34)

scores (clean; PDMX=74 PD-composer) (part 33)

scores (clean; PDMX=74 PD-composer) (part 32)

scores (clean; PDMX=74 PD-composer) (part 31)

scores (clean; PDMX=74 PD-composer) (part 30)

scores (clean; PDMX=74 PD-composer) (part 29)

scores (clean; PDMX=74 PD-composer) (part 28)

scores (clean; PDMX=74 PD-composer) (part 27)

scores (clean; PDMX=74 PD-composer) (part 26)

scores (clean; PDMX=74 PD-composer) (part 25)