[BPK-964] Upgrade eslint-config-skyscanner

.eslintrc

@@ -8,30 +8,6 @@
     "max-len": [2, 120],
     "react/jsx-filename-extension": 0,
     "import/no-extraneous-dependencies": 0,
-    "react/prefer-stateless-function": [2, { "ignorePureComponents": true }],
-
-    // We've decided we don't want this for now as it makes writing JSX more painful.
-    // See https://github.com/airbnb/javascript/issues/1584#issuecomment-335667272
-    "function-paren-newline": 0,
-
-    // False positive on custom propTypes + isRequired. https://github.com/yannickcr/eslint-plugin-react/issues/1389
-    "react/no-typos": 0,
-
-    // See https://github.com/evcohen/eslint-plugin-jsx-a11y/issues/339
-    "jsx-a11y/anchor-is-valid": ["error", {
-      "components": ["Link"],
-      "specialLink": ["to"],
-      "aspects": ["noHref", "invalidHref", "preferButton"],
-    }],
-
-    // See https://github.com/evcohen/eslint-plugin-jsx-a11y/issues/282
-    // We should probably change our code to adhere to the standard here.
-    "jsx-a11y/label-has-for": [ 2, {
-      "components": [ "Label" ],
-      "required": {
-          "some": [ "nesting", "id" ]
-      },
-      "allowChildren": false
-    }]
+    "react/prefer-stateless-function": [2, { "ignorePureComponents": true }]
   }
 }

package.json

@@ -73,7 +73,7 @@
     "enzyme-to-json": "^1.5.1",
     "eslint": "^4.9.0",
     "eslint-config-airbnb": "^16.1.0",
-    "eslint-config-skyscanner": "^2.0.0",
+    "eslint-config-skyscanner": "^3.0.0",
     "eslint-plugin-import": "^2.8.0",
     "eslint-plugin-jsx-a11y": "^6.0.2",
     "eslint-plugin-react": "^7.4.0",