refactor: remove legacy code and move redesign code to src

VAN-670

src/common-components/data/selectors.js

@@ -0,0 +1,10 @@
+import { createSelector } from 'reselect';
+
+export const storeName = 'commonComponents';
+
+export const commonComponentsSelector = state => ({ ...state[storeName] });
+
+export const thirdPartyAuthContextSelector = createSelector(
+  commonComponentsSelector,
+  commonComponents => commonComponents.thirdPartyAuthContext,
+);