Prevent useless rustdoc UI tests run

Author: GuillaumeGomez

highfive/configs/rust-lang/rust.json

@@ -47,10 +47,6 @@
             "command": "@highfive: run-doc-ui",
             "reviewers": ["@GuillaumeGomez"]
         },
-        "src/doc": {
-            "message": "Some changes occurred in HTML/CSS.",
-            "reviewers": ["@GuillaumeGomez"]
-        },
         "src/librustdoc/": {
             "command": "@highfive: run-doc-ui"
         },

highfive/newpr.py

@@ -135,8 +135,7 @@ def set_assignee(self, assignee, owner, repo, issue, user, author, to_mention):
                     msg += '\n\n'
                 else:
                     msg = ''
-                message += "%s\n\ncc %s" % (msg,
-                                            ','.join([x for x in mention['reviewers'] if x != user]))
+                message += "%scc %s" % (msg, ','.join([x for x in mention['reviewers'] if x != user]))
                 cmd = mention.get('command')
                 if cmd is not None:
                     commands[cmd] = self.payload['pull_request', 'head', 'sha']