chore: remove unused imports from view_unpushed_bundles.jsp

[nollymar]

Summary

Remove stale/unused JSP page imports from `view_unpushed_bundles.jsp` that are no longer referenced in the file.

Context

The file `dotCMS/src/main/webapp/html/portlet/ext/contentlet/publishing/view_unpushed_bundles.jsp` contains several unused import declarations left over from previous refactors or feature changes. These dead imports add noise and can mislead developers into thinking those classes are in use.

Imports to remove

• `com.dotcms.repackage.com.google.common.base.CaseFormat`
• `com.dotmarketing.portlets.languagesmanager.model.Language`
• `com.dotcms.publisher.environment.business.EnvironmentAPI`
• `com.dotcms.publisher.environment.bean.Environment`
• `com.dotmarketing.portlets.contentlet.model.Contentlet`
• `com.dotcms.publisher.business.PublishAuditUtil`
• `com.dotmarketing.portlets.contentlet.business.DotContentletStateException`
• `com.dotmarketing.util.Logger`
• `com.dotcms.publisher.business.DotPublisherException`

Acceptance Criteria

• All listed unused imports are removed from `view_unpushed_bundles.jsp`
• The page still renders correctly (no compilation errors)
• No functional behavior is changed

[github-actions]

PRs linked to this issue

• chore: remove unused imports from view_unpushed_bundles.jsp by @nollymar