Remove comments from import blocks #711

Job	Run time
Test aip-encrypt on Firefox	20m 42s
Test aip-encrypt on Chrome	21m 12s
Test aip-encrypt-mirror on Firefox	13m 10s
Test aip-encrypt-mirror on Chrome	13m 24s
Test black-box on Chrome	29m 55s
Test icc on Firefox	15m 11s
Test icc on Chrome	14m 53s
Test ipc preservation on Firefox	19m 19s
Test ipc preservation on Chrome	17m 47s
Test ipc access on Firefox	19m 15s
Test ipc access on Chrome	16m 30s
Test man-norm on Firefox	12m 6s
Test man-norm on Chrome	11m 37s
Test metadata-xml on Firefox	20m 42s
Test metadata-xml on Chrome	19m 34s
Test tcc on Firefox	13m 45s
Test tcc on Chrome	15m 31s
Test tpc on Firefox	15m 37s
Test tpc on Chrome	14m 30s
Test uuids-dirs on Firefox	14m 57s
Test uuids-dirs on Chrome	12m 52s
	5h 52m 29s

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