Remove unused folder template tag

mayan/apps/folders/templatetags/folder_tags.py

@@ -1,19 +0,0 @@
-from django.core.urlresolvers import reverse
-from django.template import Library
-
-from django.utils.translation import ugettext as _
-
-from folders.forms import AddDocumentForm
-
-register = Library()
-
-
-@register.inclusion_tag('main/generic_form_subtemplate.html', takes_context=True)
-def get_add_document_to_folder_form(context):
-    context.update({
-        'form': AddDocumentForm(user=context['request'].user),
-        'request': context['request'],
-        'form_action': reverse('folder_add_document_sidebar', args=[context['object'].pk]),
-        'title': _('Add document to a folder')
-    })
-    return context