[RayService][refactor] Remove `updateState` (#2705) #6976

Job	Run time
Lint (pre-commit)	3m 12s
Build Apiserver and Docker Images	3m 36s
Build Ray Kubectl plugin	3m 0s
Build Operator Binaries and Docker Images	8m 5s
Build security proxy Binaries and Docker Images	1m 50s
Python Client Test	1m 2s
Compatibility Test - 2.9.0	10m 28s
Compatibility Test - 2.8.0	6m 36s
Compatibility Test - 2.7.0	11m 5s
Compatibility Test - Nightly	9m 2s
	57m 56s

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