Remove old pinned dependencies #2051

Job	Run time
build / Build	6m 14s
Integration Tests (certrotation)	2m 27s
Integration Tests (etcdrestore)	2m 50s
Integration Tests (localstorage)	1m 56s
Integration Tests (startup)	7m 7s
Integration Tests (custometcdargs)	1m 14s
Integration Tests (etcdsnapshot)	8m 37s
Integration Tests (kubeflags)	7m 48s
Integration Tests (longhorn)	3m 15s
Integration Tests (secretsencryption)	2m 21s
Integration Tests (flannelnone)	2m 4s
	45m 53s

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