Fixed 2.0.1 npm package issue

Author: abisalehalliprasan

package.json

@@ -48,9 +48,6 @@
       "json"
     ]
   },
-  "bin": {
-    "coveralls": "./bin/coveralls.js"
-  },
   "engines": {
     "node": ">=7.0.0"
   },
@@ -98,7 +95,7 @@
     "mocha": "^5.0.4",
     "mocha-lcov-reporter": "^1.3.0",
     "nock": "^9.2.3",
-    "nyc": "^11.6.0",
+    "nyc": "^15.0.0",
     "phantomjs-prebuilt": "^2.1.4",
     "sinon": "^7.5.0",
     "standard": "^11.0.0",