Removed trash icon in batch confirmation template

| Q             | A
| ------------- | ---
| Bug fix?      | yes?
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT

Batch confirmation can be used for some many actions (enabling/disabling/moving etc.) and in these cases the trash icons in batch confirmation dialog seems weird. It can be solved with custom template but it`s unproductive to create custom template if not using default batch delete action.