Simplify approvals badge in the merge requests list
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The following discussion from !149024 should be addressed:
- [ ] @slashmanov started a [discussion](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/149024#note_1859473991): (+1 comment)
> WDYT of just removing the icon when there's no self approval?
>
> {height=120}
>
> Alternatively, we could simplify that like this: `👨✓ 0/1` instead of `👨✓ 0 of 1 Approvals`. It just feels weird that all the other statuses are using icons but the approval status has it spelled out.
issue