Remove coral-framework reducers

Some of them were only related to the embed stream.
Auth code is too convoluted with the embed stream and can't be reused atm.

plugin-api/beta/client/hocs/withReaction.js

@@ -7,12 +7,14 @@ import {getDisplayName} from 'coral-framework/helpers/hoc';
 import {compose, gql} from 'react-apollo';
 import withFragments from 'coral-framework/hocs/withFragments';
 import withMutation from 'coral-framework/hocs/withMutation';
-import {showSignInDialog} from 'coral-framework/actions/auth';
 import {addNotification} from 'coral-framework/actions/notification';
 import {capitalize} from 'coral-framework/helpers/strings';
 import {getMyActionSummary, getTotalActionCount} from 'coral-framework/utils';
 import * as PropTypes from 'prop-types';
 
+// TODO: Auth logic needs refactoring.
+import {showSignInDialog} from 'coral-embed-stream/src/actions/auth';
+
 export default (reaction) => (WrappedComponent) => {
   if (typeof reaction !== 'string') {
     console.error('Reaction must be a valid string');