Always nuke on windows for now.

BUG=
TEST=

Review URL: https://webrtc-codereview.appspot.com/426003

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1824 4adac7df-926f-26a2-2b94-8c16560cd09d

tools/continuous_build/webrtc_buildbot/utils.py

@@ -731,7 +731,8 @@ class WebRTCWinFactory(WebRTCFactory):
     self.AddCommonStep(cmd, 'svnkill')
 
     # Now do the clean + build.
-    self.AddSmartCleanStep()
+    self.AddCommonStep(['rm', '-rf', 'trunk'],
+        descriptor=['Nuke Repository', '(Always for now)'])
     self.AddCommonStep(['gclient', 'config', WEBRTC_SVN_LOCATION],
                        descriptor='gclient_config')
     self.AddGclientSyncStep(force_sync=True)