Remove shelljs (unused)

Author: pioug

package-lock.json

@@ -32,14 +32,11 @@
         "gulp-mocha": "6.0.0",
         "istanbul": "0.4.5",
         "mocha": "6.1.4",
-        "parse-comments": "0.4.3",
-        "shelljs": "0.8.3",
-        "shelljs-nodecli": "0.1.1"
+        "parse-comments": "0.4.3"
     },
     "keywords": [
         "eslint",
         "eslintplugin",
         "angularjs"
-    ],
-    "dependencies": {}
+    ]
 }