Removed unused hashtag redux

• Removed:
- unused hashtag redux

app/javascript/gabsocial/actions/hashtags.js

@@ -1,39 +0,0 @@
-import api from '../api';
-
-export const HASHTAGS_FETCH_REQUEST = 'HASHTAGS_FETCH_REQUEST';
-export const HASHTAGS_FETCH_SUCCESS = 'HASHTAGS_FETCH_SUCCESS';
-export const HASHTAGS_FETCH_FAIL    = 'HASHTAGS_FETCH_FAIL';
-
-export function fetchHashtags() {
-  return (dispatch, getState) => {
-    dispatch(fetchHashtagsRequest());
-
-    api(getState).get('/api/v1/trends').then(response => {
-      dispatch(fetchHashtagsSuccess(response.data));
-    }).catch(error => dispatch(fetchHashtagsFail(error)));
-  };
-};
-
-export function fetchHashtagsRequest() {
-  return {
-    type: HASHTAGS_FETCH_REQUEST,
-    skipLoading: true,
-  };
-};
-
-export function fetchHashtagsSuccess(tags) {
-  return {
-    tags,
-    type: HASHTAGS_FETCH_SUCCESS,
-    skipLoading: true,
-  };
-};
-
-export function fetchHashtagsFail(error) {
-  return {
-    error,
-    type: HASHTAGS_FETCH_FAIL,
-    skipLoading: true,
-    skipAlert: true,
-  };
-};