Update eslintrc.json

Avoid useless void operator

Author: acarballo-cs

eslintrc.json

@@ -157,6 +157,7 @@
     "no-useless-return": "error",
     "no-whitespace-before-property": "error",
     "no-with": "error",
+    "no-void": "error",
     "object-curly-spacing": ["error", "always"],
     "object-property-newline": ["error", { "allowMultiplePropertiesPerLine": true }],
     "one-var": ["error", { "initialized": "never" }],