Removing unused fields on ProgramApiConfig model

ECOM-7196

Updating model to only include the non-deprecated fields.  This work is a follow on to ECOM-7195 and SHOULD NOT be merged until that PR is merged.

common/test/acceptance/fixtures/programs.py

@@ -6,16 +6,9 @@ from common.test.acceptance.fixtures.config import ConfigModelFixture
 
 class ProgramsConfigMixin(object):
     """Mixin providing a method used to configure the programs feature."""
-    def set_programs_api_configuration(self, is_enabled=False, api_version=1):
+    def set_programs_api_configuration(self, is_enabled=False):
         """Dynamically adjusts the Programs config model during tests."""
-        # Update these paramters once fields are removed from model
         ConfigModelFixture('/config/programs', {
             'enabled': is_enabled,
-            'api_version_number': api_version,
-            'cache_ttl': 0,
             'marketing_path': '/foo',
-            'enable_student_dashboard': is_enabled,
-            'enable_certification': is_enabled,
-            'program_listing_enabled': is_enabled,
-            'program_details_enabled': is_enabled,
         }).install()