Remove unneeded static files finder

FileSystemFinder finds all the files we need, having AppDirectoriesFinder included was just causing the same files to be found multiple times

src/webmon_app/reporting/reporting_app/settings/base.py

@@ -97,11 +97,7 @@ def validate_ldap_settings(server_uri, user_dn_template):
 
 # List of finder classes that know how to find static files in
 # various locations.
-STATICFILES_FINDERS = (
-    "django.contrib.staticfiles.finders.FileSystemFinder",
-    "django.contrib.staticfiles.finders.AppDirectoriesFinder",
-    #    'django.contrib.staticfiles.finders.DefaultStorageFinder',
-)
+STATICFILES_FINDERS = ("django.contrib.staticfiles.finders.FileSystemFinder",)
 
 # Make this unique, and don't share it with anybody.
 SECRET_KEY = "-0zoc$fl2fa&rmzeo#uh-qz-k+4^1)_9p1qwby1djzybqtl_nn"