Deprecate MA0018 in favor of CA1000 #887

Job	Run time
compute_package_version	3s
build_and_test (ubuntu-latest, Debug, roslyn3.8)	2m 16s
build_and_test (ubuntu-latest, Debug, roslyn4.2)	2m 28s
build_and_test (ubuntu-latest, Debug, roslyn4.4)	1m 54s
build_and_test (ubuntu-latest, Debug, default)	2m 26s
build_and_test (ubuntu-latest, Release, roslyn3.8)	2m 5s
build_and_test (ubuntu-latest, Release, roslyn4.2)	2m 3s
build_and_test (ubuntu-latest, Release, roslyn4.4)	2m 43s
build_and_test (ubuntu-latest, Release, default)	4m 19s
build_and_test (windows-latest, Debug, roslyn3.8)	6m 41s
build_and_test (windows-latest, Debug, roslyn4.2)	6m 25s
build_and_test (windows-latest, Debug, roslyn4.4)	6m 40s
build_and_test (windows-latest, Debug, default)	8m 23s
build_and_test (windows-latest, Release, roslyn3.8)	5m 23s
build_and_test (windows-latest, Release, roslyn4.2)	5m 50s
build_and_test (windows-latest, Release, roslyn4.4)	6m 39s
build_and_test (windows-latest, Release, default)	6m 37s
create_nuget	1m 41s
validate_nuget	34s
deploy	15s
create_release	0s
	1h 15m 25s

Provide feedback