Remove title from new issues

[vitormattos]

Is your feature request related to a problem? Please describe.

No response

Describe the solution you'd like

Now have a title at feature_request.yml file:

https://github.com/celsonery/libresign/blob/b9f3bc9b18e41d9a4dcb6c6928ad99780c3286fb/.github/ISSUE_TEMPLATE/feature_request.yml?plain=1#L6

We already have the label to identify that is a feature and the prefix at title isn't necessary, with the prefix we will will have a huge title.

Describe alternatives you've considered

No response

Additional context

Reference:

• chore: Convert bug_report.md and feature_request.md to yaml #5059

This issue is open to contributors. If you're interested, feel free to leave a comment or open a draft PR to get started!