[eslint config] [base] [breaking] move comma-dangle to Stylistic Issues

packages/eslint-config-airbnb-base/rules/errors.js

@@ -1,14 +1,5 @@
 module.exports = {
   rules: {
-    // require trailing commas in multiline object literals
-    'comma-dangle': ['error', {
-      arrays: 'always-multiline',
-      objects: 'always-multiline',
-      imports: 'always-multiline',
-      exports: 'always-multiline',
-      functions: 'always-multiline',
-    }],
-
     // Enforce “for” loop update clause moving the counter in the right direction
     // http://eslint.org/docs/rules/for-direction
     // TODO: enable, semver-major until v3 is dropped; semver-minor otherwise

packages/eslint-config-airbnb-base/rules/style.js

@@ -38,6 +38,15 @@ module.exports = {
       },
     }],
 
+    // require trailing commas in multiline object literals
+    'comma-dangle': ['error', {
+      arrays: 'always-multiline',
+      objects: 'always-multiline',
+      imports: 'always-multiline',
+      exports: 'always-multiline',
+      functions: 'always-multiline',
+    }],
+
     // enforce spacing before and after comma
     'comma-spacing': ['error', { before: false, after: true }],