[minor] Updated doctrine:generate:entity help
[minor] Updated doctrine:generate:entity help

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

Updated ref for ```--no-interaction``` option from ```doctrine:generate:entity```
command help in order to be consistent with other option refs.

sensiolabs/SensioGeneratorBundle,sensiolabs/SensioGeneratorBundle