Fix a bad merge.

Author: crisbeto

package.json

@@ -55,7 +55,6 @@
     "axe-core": "^2.0.7",
     "axe-webdriverjs": "^0.4.0",
     "@types/selenium-webdriver": "^2.53.36",
-    "browserstacktunnel-wrapper": "^2.0.0",
     "conventional-changelog": "^1.1.0",
     "express": "^4.14.0",
     "firebase-tools": "^2.2.1",