If community translations are allowed for the video, you can access them at the address
http://www.youtube.com/timedtext_video?v=<your video id>.
If not, there is no way to do what you are asking.
I would advice publishing a link to subtitles or to subbed reuploaded content in the comments.
On your channel page, click the Customize Channel button
On the right part, there is a small channel list
Click on the edit (pencil) button on the channel you want to remove