Remove redundant eslint rules

client/.eslintrc

@@ -5,10 +5,7 @@
     "browser": true
   },
   "rules": {
-    "arrow-parens": 0,
-    "comma-dangle": [2, "never"],
     "consistent-return": 0,
-    "function-paren-newline": 0,
     "jsx-a11y/click-events-have-key-events": 0,
     "jsx-a11y/no-autofocus": 0,
     "jsx-a11y/no-noninteractive-element-interactions": 0,
@@ -18,7 +15,6 @@
     "no-param-reassign": 0,
     "no-plusplus": 0,
     "no-restricted-globals": 1,
-    "object-curly-newline": 0,
     "react/jsx-filename-extension": 0,
     "react/no-array-index-key": 0,
     "react/prefer-stateless-function": 0,