Deprecate interface Symfony\Component\Validator\PropertyMetadataInterface

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | yes
| Tests pass?   | yes
| Fixed tickets | (#12678)[https://github.com/symfony/symfony/issues/12678#issuecomment-64949175]
| License       | MIT

Deprecate interface Symfony\Component\Validator\PropertyMetadataInterface
Can you follow the pattern done in other messages? Something like "XXX was deprecated in version 2.3 and will removed in 3.0. Please use YYY instead."