Remove no-op MaintainVisibleScrollPositionHelper#updateScrollPosition() #38203

Job	Run time
lint	2m 3s
set_release_type	3s
check_code_changes	8s
build_android	12m 33s
test_ios_rntester_dynamic_frameworks	-1s
build_debugger_shell	-1s
test_ios_rntester_ruby_3_2_0	0s
test_ios_rntester	0s
prebuild_apple_dependencies	-1s
test_ios_helloworld	0s
prebuild_react_native_core	0s
test_e2e_ios_rntester	0s
test_ios_helloworld_with_ruby_3_2_0	0s
test_js (22)	3m 51s
build_js_types	1m 4s
test_js (20.19.4)	3m 50s
build_fantom_runner	10m 1s
test_js (24)	3m 40s
run_fantom_tests	3m 7s
test_e2e_android_rntester (release)	6m 21s
test_e2e_android_rntester (debug)	7m 13s
test_e2e_ios_templateapp	0s
test_android_helloworld	0s
test_e2e_android_templateapp	0s
build_npm_package	0s
rerun-failed-jobs	0s
	53m 51s

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