Remove calls to mark_safe

Author: mfraezz

admin/base/filters.py

@@ -1,5 +1,4 @@
 from django import template
-from django.utils.safestring import mark_safe
 import json
 
 
@@ -8,4 +7,4 @@
 
 @register.filter
 def jsonify(o):
-    return mark_safe(json.dumps(o))
+    return json.dumps(o)

admin/base/templatetags/filters.py

@@ -1,10 +1,9 @@
 # h/t https://djangosnippets.org/snippets/1250/
 from django import template
-from django.utils.safestring import mark_safe
 import json
 
 register = template.Library()
 
 @register.filter
 def jsonify(o):
-    return mark_safe(json.dumps(o))
+    return json.dumps(o)