Remove Deprecated ioutil package #1063

Job	Run time
Check Go formatting, linting, vetting	1m 20s
Check Go formatting, linting, vetting	1m 20s
Check Go formatting, linting, vetting	1m 25s
Go security	1m 16s
Go security	1m 16s
Go security	1m 16s
Malware Scanner	49s
Malware Scanner	49s
Malware Scanner	50s
Image Scanner	4m 10s
Image Scanner	5m 33s
Image Scanner	5m 41s
Check for forbidden words	7s
Check for forbidden words	7s
Check for forbidden words	10s
Run Go unit tests and check package coverage	1m 58s
Run Go unit tests and check package coverage	1m 58s
Run Go unit tests and check package coverage	2m 6s
	32m 11s

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