Remove sparse checkout warning from feature request template

Removed warning about sparse checkout from feature request template.

Signed-off-by: Yī nuò <218099172+yi-nuo426@users.noreply.github.com>

Author: yi-nuo426

.github/ISSUE_TEMPLATE/feature_request.md

@@ -27,13 +27,3 @@ assignees: ''
    - Layer5 documentation [site](https://docs.layer5.io) and [source](https://github.com/layer5io/docs/)
 - 🎨 Wireframes and [designs for Layer5 site](https://www.figma.com/file/5ZwEkSJwUPitURD59YHMEN/Layer5-Designs) in Figma [(open invite)](https://www.figma.com/team_invite/redeem/qJy1c95qirjgWQODApilR9)
 - 🙋🏾🙋🏼 Questions: [Layer5 Discussion Forum](https://discuss.layer5.io) and [Layer5 Community Slack](http://slack.layer5.io)
-
-> [!WARNING]
->  Before cloning this repo to your local machine, ensure that you do so sparsely or your clone will take a long time to download / sync.
->
-> Example of a sparse checkout:
-> 
-> ```shell
-> git clone --filter=blob:none --sparse https://github.com/layer5labs/meshery-extensions-packages
-> git sparse-checkout add assets
-> ```