Update airbnb base config and simplify custom rules

- Remove comma-dangle rule because of reasons stated by airbnb
- Require strict because of reasons stated by airbnb
- Do not allow importing devDependencies because a separate eslint config file should be used for tests (airbnb/javascript#959 (comment))

packages/eslint-config/index.js

@@ -7,18 +7,6 @@ module.exports = {
     sourceType: `module`,
   },
   rules: {
-    'comma-dangle': [2, {
-      arrays: `always-multiline`,
-      objects: `always-multiline`,
-      imports: `always-multiline`,
-      exports: `always-multiline`,
-      functions: `never`,
-    }],
-    strict: 2,
     quotes: [2, `backtick`, { avoidEscape: true }],
-    'import/no-extraneous-dependencies': [2, {
-      devDependencies: true,
-      optionalDependencies: true,
-    }],
   },
 };

packages/eslint-config/package.json

@@ -8,7 +8,7 @@
     "javascript",
     "styleguide"
   ],
-  "version": "1.0.0",
+  "version": "0.1.0",
   "author": "Markus Oberlehner",
   "homepage": "https://github.com/modularis/eslint-config-modularis",
   "license": "MIT",
@@ -20,7 +20,7 @@
     "url": "https://github.com/avalanchesass/avalanche/issues"
   },
   "dependencies": {
-    "eslint-config-airbnb-base": "^10.0.1"
+    "eslint-config-airbnb-base": "^11.1.3"
   },
   "engines": {
     "node": ">= 6"