[repeat] CascadeRPNHead

[ceasona]

Thanks for your contribution and we appreciate it a lot. The following instructions would make your pull request more healthy and more easily get feedback. If you do not understand some items, don't worry, just make the pull request and seek help from maintainers.

Motivation

CascadeRPNHead repeat.

Modification

Remove duplicate class name.

BC-breaking (Optional)

No.

Use cases (Optional)

No.

Checklist

1. Pre-commit or other linting tools are used to fix the potential lint issues.
2. The modification is covered by complete unit tests. If not, please add more unit test to ensure the correctness.
3. If the modification has potential influence on downstream projects, this PR should be tested with downstream projects, like MMDet or MMCls.
4. The documentation has been modified accordingly, like docstring or example tutorials.

[CLAassistant]

All committers have signed the CLA.

[jbwang1997]

Thank you very much for your contributions. I see the lint seems not to pass. Please refer to CONTRIBUTING.md to install the pre-commit which can fix the lint error automatically.

And please remember to sign CLA above.

[ceasona]

I have signed the CLA already but the status is still pending

[jbwang1997]

Seems the user information is not correct. You can try to set git config user.email and git config user.name as your name and email of github and make a new pr.

[BIGWangYuDong]

Got same problem in branch dev-3.x.

[yaqi0510]

Dear ceasona,

First of all, we want to express our gratitude for your significant PR in the MMDetection project. Your contribution is highly appreciated, and we are grateful for your efforts in helping improve this open-source project during your personal time. We believe that many developers will benefit from your PR.

If you are Chinese or have WeChat，welcome to join our community on WeChat. You can add our assistant ：openmmlabwx. Please add "mmsig + Github ID" as a remark when adding friends：）

We would also like to invite you to join our Special Interest Group (SIG) private channel on Discord, where you can share your experiences, ideas, and build connections with like-minded peers. To join the SIG channel, simply message moderator— OpenMMLab on Discord or briefly share your open-source contributions in the #introductions channel and we will assist you. We look forward to seeing you there! Join us ：https://discord.gg/raweFPmdzG
Thank you again for your contribution❤

Best regards！@ceasona