fix(clients): remove all client side validation expect null check #20785

Job	Run time
setup	1m 10s
setup	1m 10s
notification	8s
notification	8s
specs	1m 6s
specs	1m 6s
scripts	1m 2s
scripts	1m 2s
client [email protected]	5m 17s
client [email protected]	5m 17s
client [email protected]	6m 43s
client [email protected]	6m 43s
client [email protected]	4m 2s
client [email protected]	4m 2s
client [email protected]	3m 58s
client [email protected]	3m 58s
client java@8	4m 1s
client java@8	4m 1s
client java@11	3m 52s
client java@11	3m 52s
client java@21	4m 5s
client java@21	4m 5s
client java@17	4m 3s
client java@17	4m 3s
client [email protected]	6m 20s
client [email protected]	6m 20s
client [email protected]	4m 8s
client [email protected]	4m 8s
client [email protected]	4m 18s
client [email protected]	4m 18s
client [email protected]	4m 2s
client [email protected]	4m 2s
client [email protected]	4m 2s
client [email protected]	4m 2s
client [email protected]	4m 30s
client [email protected]	4m 30s
client [email protected]	4m 17s
client [email protected]	4m 17s
client [email protected]	3m 14s
client [email protected]	3m 14s
client [email protected]	8m 10s
client [email protected]	8m 10s
client [email protected]	9m 18s
client [email protected]	9m 18s
codegen	1m 11s
codegen	1m 11s
client [email protected] macos	5m 5s
client [email protected] macos	5m 5s
client [email protected] macos	4m 50s
client [email protected] macos	4m 10s
check_green	1s
check_green	1s
push_and_release	0s
push_and_release	0s
	3h 25m 6s

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