package: remove unnecessary dev dependency

Author: dcousens

package.json

@@ -58,7 +58,6 @@
     "coveralls": "^2.11.2",
     "istanbul": "^0.3.5",
     "mocha": "^2.2.0",
-    "mocha-lcov-reporter": "0.0.1",
     "sinon": "^1.12.2",
     "standard": "^2.11.0"
   }