Removed some old warning filters (OBE)

 - Legacy-Id: 12810

Author: levkowetz

ietf/settings.py

@@ -13,13 +13,9 @@
 warnings.filterwarnings("ignore", message="Report.file_reporters will no longer be available in Coverage.py 4.2", module="coverage.report")
 warnings.filterwarnings("ignore", message="initial_data fixtures are deprecated. Use data migrations instead.", module="django.core.management.commands.loaddata")
 warnings.filterwarnings("ignore", message="The popen2 module is deprecated.  Use the subprocess module.", module="ietf.utils.pipe")
-warnings.filterwarnings("ignore", message="Reversing by dotted path is deprecated")
-warnings.filterwarnings("ignore", message=r"Support for string view arguments to url\(\) is deprecated and will be removed in Django 1.10")
 # This is triggered by the TimedeltaField, which we retain only for the sake
 # of old migrations:
 warnings.filterwarnings("ignore", message=r"SubfieldBase has been deprecated. Use Field.from_db_value instead.")
-# Bootstrap3 library code:
-warnings.filterwarnings("ignore", message=r"render\(\) must be called with a dict, not a Context", module="bootstrap3.utils")
 
 
 try: