[ui] Simplify request access

beat/web/ui/templatetags/ui_tags.py

@@ -40,7 +40,6 @@ register = template.Library()
 
 @register.inclusion_tag('ui/bar.html', takes_context=True)
 def navbar(context):
-    request = context['request']
     return {
         'request': context['request'],
         'public_urls': [