Revert "PLAT-1858 Better capture of deprecation warnings"

cms/envs/test.py

@@ -21,6 +21,7 @@ sessions. Assumes structure:
 from .common import *
 import os
 from path import Path as path
+from warnings import filterwarnings, simplefilter
 from uuid import uuid4
 from util.db import NoOpMigrationModules
 from openedx.core.lib.derived import derive_settings
@@ -174,6 +175,15 @@ CACHES = {
     },
 }
 
+# hide ratelimit warnings while running tests
+filterwarnings('ignore', message='No request passed to the backend, unable to rate-limit')
+
+# Ignore deprecation warnings (so we don't clutter Jenkins builds/production)
+# https://docs.python.org/2/library/warnings.html#the-warnings-filter
+# Change to "default" to see the first instance of each hit
+# or "error" to convert all into errors
+simplefilter('ignore')
+
 ################################# CELERY ######################################
 
 CELERY_ALWAYS_EAGER = True