Revert to using random UA in Reddit search engine

searx/engines/reddit.py

@@ -15,7 +15,6 @@ from cgi import escape
 from urllib import urlencode
 from urlparse import urlparse
 from datetime import datetime
-from searx.utils import searx_useragent
 
 # engine dependent config
 categories = ['general', 'images', 'news', 'social media']
@@ -31,9 +30,6 @@ def request(query, params):
                        'limit': page_size})
     params['url'] = search_url.format(query=query)
 
-    # using searx User-Agent
-    params['headers']['User-Agent'] = searx_useragent()
-
     return params