Remove unused code in executor #13042

Job	Run time
build / pack-nuget	1m 49s
lint / Lint Go	54s
test / Golang Mod Up To Date	27s
test / TypeScript Unit Tests	2m 36s
build / prepare	3m 19s
lint / Lint TypeScript	42s
test / Proto Up To Date	1m 31s
test / SQLC Generated Files Up To Date	17s
test / Golang Unit Tests	4m 47s
test / Golang Integration Tests	9m 57s
All jobs succeeded	2s
	26m 21s

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