Remove otelgrpc pinned dependency #2183

Job	Run time
build / Build	6m 47s
Integration Tests (certrotation)	1m 51s
Integration Tests (etcdrestore)	1m 35s
Integration Tests (localstorage)	1m 21s
Integration Tests (startup)	6m 52s
Integration Tests (custometcdargs)	44s
Integration Tests (etcdsnapshot)	7m 25s
Integration Tests (kubeflags)	6m 44s
Integration Tests (longhorn)	2m 15s
Integration Tests (secretsencryption)	2m 8s
Integration Tests (flannelnone)	1m 16s
	38m 58s

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