Issue #3274837 by Theresa.Grannum: Remove "recommended" from text of version validators

src/Validator/VersionPolicy/ForbidMinorUpdates.php

src/Validator/VersionPolicy/MajorVersionMatch.php

src/Validator/VersionPolicy/MinorUpdatesEnabled.php

src/Validator/VersionPolicy/TargetSecurityRelease.php

src/Validator/VersionPolicy/TargetVersionStable.php

...Kernel/ReadinessValidation/VersionPolicyValidatorTest.php

tests/src/Unit/VersionPolicy/ForbidMinorUpdatesTest.php

tests/src/Unit/VersionPolicy/MajorVersionMatchTest.php

tests/src/Unit/VersionPolicy/MinorUpdatesEnabledTest.php

tests/src/Unit/VersionPolicy/TargetSecurityReleaseTest.php

tests/src/Unit/VersionPolicy/TargetVersionStableTest.php