revert: remove learner_recommendations app

.github/workflows/pylint-checks.yml

@@ -16,7 +16,7 @@ jobs:
           - module-name: lms-1
             path: "--django-settings-module=lms.envs.test lms/djangoapps/badges/ lms/djangoapps/branding/ lms/djangoapps/bulk_email/ lms/djangoapps/bulk_enroll/ lms/djangoapps/bulk_user_retirement/ lms/djangoapps/ccx/ lms/djangoapps/certificates/ lms/djangoapps/commerce/ lms/djangoapps/course_api/ lms/djangoapps/course_blocks/ lms/djangoapps/course_home_api/ lms/djangoapps/course_wiki/ lms/djangoapps/coursewarehistoryextended/ lms/djangoapps/debug/ lms/djangoapps/courseware/ lms/djangoapps/course_goals/ lms/djangoapps/rss_proxy/"
           - module-name: lms-2
-            path: "--django-settings-module=lms.envs.test lms/djangoapps/gating/ lms/djangoapps/grades/ lms/djangoapps/instructor/ lms/djangoapps/instructor_analytics/ lms/djangoapps/discussion/ lms/djangoapps/edxnotes/ lms/djangoapps/email_marketing/ lms/djangoapps/experiments/ lms/djangoapps/instructor_task/ lms/djangoapps/learner_dashboard/ lms/djangoapps/learner_recommendations/ lms/djangoapps/learner_home/ lms/djangoapps/lms_initialization/ lms/djangoapps/lms_xblock/ lms/djangoapps/lti_provider/ lms/djangoapps/mailing/ lms/djangoapps/mobile_api/ lms/djangoapps/monitoring/ lms/djangoapps/ora_staff_grader/ lms/djangoapps/program_enrollments/ lms/djangoapps/rss_proxy lms/djangoapps/static_template_view/ lms/djangoapps/staticbook/ lms/djangoapps/support/ lms/djangoapps/survey/ lms/djangoapps/teams/ lms/djangoapps/tests/ lms/djangoapps/user_tours/ lms/djangoapps/verify_student/ lms/djangoapps/mfe_config_api/ lms/envs/ lms/lib/ lms/tests.py"
+            path: "--django-settings-module=lms.envs.test lms/djangoapps/gating/ lms/djangoapps/grades/ lms/djangoapps/instructor/ lms/djangoapps/instructor_analytics/ lms/djangoapps/discussion/ lms/djangoapps/edxnotes/ lms/djangoapps/email_marketing/ lms/djangoapps/experiments/ lms/djangoapps/instructor_task/ lms/djangoapps/learner_dashboard/ lms/djangoapps/learner_home/ lms/djangoapps/lms_initialization/ lms/djangoapps/lms_xblock/ lms/djangoapps/lti_provider/ lms/djangoapps/mailing/ lms/djangoapps/mobile_api/ lms/djangoapps/monitoring/ lms/djangoapps/ora_staff_grader/ lms/djangoapps/program_enrollments/ lms/djangoapps/rss_proxy lms/djangoapps/static_template_view/ lms/djangoapps/staticbook/ lms/djangoapps/support/ lms/djangoapps/survey/ lms/djangoapps/teams/ lms/djangoapps/tests/ lms/djangoapps/user_tours/ lms/djangoapps/verify_student/ lms/djangoapps/mfe_config_api/ lms/envs/ lms/lib/ lms/tests.py"
           - module-name: openedx-1
             path: "--django-settings-module=lms.envs.test openedx/core/types/ openedx/core/djangoapps/ace_common/ openedx/core/djangoapps/agreements/ openedx/core/djangoapps/api_admin/ openedx/core/djangoapps/auth_exchange/ openedx/core/djangoapps/bookmarks/ openedx/core/djangoapps/cache_toolbox/ openedx/core/djangoapps/catalog/ openedx/core/djangoapps/ccxcon/ openedx/core/djangoapps/commerce/ openedx/core/djangoapps/common_initialization/ openedx/core/djangoapps/common_views/ openedx/core/djangoapps/config_model_utils/ openedx/core/djangoapps/content/ openedx/core/djangoapps/content_libraries/ openedx/core/djangoapps/content_staging/ openedx/core/djangoapps/contentserver/ openedx/core/djangoapps/cookie_metadata/ openedx/core/djangoapps/cors_csrf/ openedx/core/djangoapps/course_apps/ openedx/core/djangoapps/course_date_signals/ openedx/core/djangoapps/course_groups/ openedx/core/djangoapps/courseware_api/ openedx/core/djangoapps/crawlers/ openedx/core/djangoapps/credentials/ openedx/core/djangoapps/credit/ openedx/core/djangoapps/dark_lang/ openedx/core/djangoapps/debug/ openedx/core/djangoapps/demographics/ openedx/core/djangoapps/discussions/ openedx/core/djangoapps/django_comment_common/ openedx/core/djangoapps/embargo/ openedx/core/djangoapps/enrollments/ openedx/core/djangoapps/external_user_ids/ openedx/core/djangoapps/zendesk_proxy/ openedx/core/djangolib/ openedx/core/lib/ openedx/core/tests/ openedx/core/djangoapps/course_live/"
           - module-name: openedx-2

.github/workflows/unit-test-shards.json

@@ -53,7 +53,6 @@
       "lms/djangoapps/instructor_task/",
       "lms/djangoapps/learner_dashboard/",
       "lms/djangoapps/learner_home/",
-      "lms/djangoapps/learner_recommendations/",
       "lms/djangoapps/lms_initialization/",
       "lms/djangoapps/lms_xblock/",
       "lms/djangoapps/lti_provider/",