Remove package os because it is just a re-export of node's core os (#299)

See https://github.com/DiegoRBaquero/node-os for more details

Author: implausible

package-lock.json

@@ -24,7 +24,6 @@
     ],
     "license": "MIT",
     "dependencies": {
-        "os": "0.1.1",
         "tunnel": "0.0.4",
         "typed-rest-client": "1.2.0",
         "underscore": "1.8.3"