fix: remove fake2 language from django settings

This was causing issue with Django 3.2, as Django has restricted to only use language from the pre-defined set of languages provided by Django.

BOM-2870

conf/locale/config.yaml

@@ -94,7 +94,6 @@ locales:
 # The locales used for fake-accented English, for testing.
 dummy_locales:
     - eo
-    - fake2
     - rtl  # Fake testing language for Arabic
 
 # Directories we don't search for strings.

lms/envs/common.py

@@ -1715,7 +1715,6 @@ LANGUAGES = [
     ('en', 'English'),
     ('rtl', 'Right-to-Left Test Language'),
     ('eo', 'Dummy Language (Esperanto)'),  # Dummy languaged used for testing
-    ('fake2', 'Fake translations'),        # Another dummy language for testing (not pushed to prod)
 
     ('am', 'አማርኛ'),  # Amharic
     ('ar', 'العربية'),  # Arabic

pavelib/paver_tests/test_extract_and_generate.py

@@ -77,8 +77,6 @@ class TestGenerate(TestCase):
         .mo files should exist, and be recently created (modified
         after start of test suite)
         """
-        # Change dummy_locales to not have Esperanto present.
-        self.configuration.dummy_locales = ['fake2']
 
         generate.main(verbosity=0, strict=False)
         for locale in self.configuration.translated_locales: