title: login required : eclipse.tmatesoft.com every few minutes eclipse
body: <p><a href="https://i.stack.imgur.com/b1INT.png" rel="noreferrer"><img src="https://i.stack.imgur.com/b1INT.png" alt="enter image description here"></a></p>
  
  <p>from ErrorLog
   - eclipse.buildId=4.6.3.M20170301-0400
     org.eclipse.equinox.p2.repository Error Sat Sep 09 16:13:23 CST 2017
     Authentication failed for <a href="http://eclipse.tmatesoft.com/svnkit/1.8.x/" rel="noreferrer">http://eclipse.tmatesoft.com/svnkit/1.8.x/</a>.</p>
  
  <p>How to remove this Plug-in?</p>