Merge pull request circleci#2644 from dav/patch-1

Remove (maybe replace?) `killall` step in example.

Author: michelle-luna

jekyll/_cci2/browser-testing.md

@@ -96,8 +96,6 @@ jobs:
             wget --retry-connrefused --no-check-certificate -T 60 localhost:4445  # wait for app to be ready
       - run: # base image is python, so we run `nosetests`, an extension of `unittest`
           command: nosetests
-      - run: # wait for Sauce Connect to close the tunnel
-          command: killall --wait sc  
 ```
 
 ## BrowserStack and Appium