Remove otelgrpc pinned dependency #2185

Job	Run time
build / Build	6m 56s
Integration Tests (certrotation)	1m 38s
Integration Tests (etcdrestore)	1m 38s
Integration Tests (localstorage)	1m 20s
Integration Tests (startup)	6m 12s
Integration Tests (custometcdargs)	1m 10s
Integration Tests (etcdsnapshot)	8m 9s
Integration Tests (kubeflags)	6m 57s
Integration Tests (longhorn)	2m 40s
Integration Tests (secretsencryption)	2m 30s
Integration Tests (flannelnone)	1m 17s
	40m 27s

Provide feedback