chore: remove duplicate function (#15123) #20

Job	Run time
Build & cache Go code	4m 32s
Build, test & lint UI code	3m 21s
Ensure Go modules synchronicity	3m 25s
Check changes to generated code	11m 24s
Lint Go code	7m 12s
Run unit tests with -race for Go packages	14m 27s
Run unit tests for Go packages	7m 34s
Run end-to-end tests (v1.27.2)	51m 49s
Run end-to-end tests (v1.26.0)	52m 16s
Run end-to-end tests (v1.25.4)	49m 25s
Run end-to-end tests (v1.24.3)	52m 10s
Process & analyze test artifacts	28s
	4h 18m 3s

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