Eslint config update

Author: wwwednesday

generators/app/templates/eslintrc

@@ -5,36 +5,12 @@
     "node": true,
     "jquery": true
   },
-  "extends": ["airbnb-base", "prettier"],
   "plugins": [
     "dollar-sign"
   ],
+  "extends": ["airbnb-base", "prettier"],
   "rules": {
-    "no-undef": 1,
-    "no-unused-vars": 1,
-    "eqeqeq": [2, "smart"],
-    "no-floating-decimal": 2,
-    "no-duplicate-imports": 2,
-    "no-else-return": 2,
-    "no-multi-spaces": [2, {
-      "exceptions": {
-        "ImportDeclaration": true,
-        "VariableDeclarator": true
-      }
-    }],
-    "no-multi-str": 2,
-    "camelcase": 1,
-    "eol-last": 1,
-    "indent": [2, 2, {
-      "SwitchCase": 1,
-      "VariableDeclarator": 1
-    }],
-    "quotes": [2, "single", "avoid-escape"],
-    "semi": [2, "always"],
-    "space-before-blocks": 2,
-    "space-before-function-paren": [2, "never"],
-    "constructor-super": 2,
-    "arrow-spacing": 2,
-    "dollar-sign/dollar-sign": [2, "ignoreProperties"]
+    "dollar-sign/dollar-sign": [2, "ignoreProperties"],
+    "no-plusplus": ["error", { "allowForLoopAfterthoughts": true }]
   }
 }