DDC-2876: [GH-891] Allow to not generate extra use

[doctrinebot]

Jira issue originally created by user @doctrinebot:

This issue is created automatically through a Github pull request on behalf of spolischook:

Url: #891

Message:

For case when we not generate annotation (by default at doctrine orm:generate-entities) allow to not generate extra use for it -

use Doctrine\ORM\Mapping as ORM;

For example if generate entities for my project that use only dbal in pord but use orm for generate entities in dev mode.

[doctrinebot]

Comment created by @doctrinebot:

A related Github Pull-Request [GH-891] was closed:
#891

[doctrinebot]

Issue was closed with resolution "Fixed"