Revert "Automatically tag as nominated for T-compiler"

This reverts commit 46a8fcd.

src/tools/publish_toolstate.py

@@ -153,7 +153,6 @@ def issue(
         )),
         'title': '`{}` no longer builds after {}'.format(tool, relevant_pr_number),
         'assignees': list(assignees),
-        'labels': ['T-compiler', 'I-nominated'],
     })
     print("Creating issue:\n{}".format(request))
     response = urllib2.urlopen(urllib2.Request(