re-organize mat_views.tags_view to materialized views, tear down AnalyticsDB

[tx0c]

Description

the mat_views.tags_view was implemented as daily view because of AnalyticsDB dependencies from EMR jobs;

since EMR jobs were teared down in Mid 2023, now we can re-implement these as materialized views;

• [ ] mat_views.tags_view
• [ ] mat_views.authors_view
• [ ] mat_views.users_view
• [ ] mat_views.circles_view

---

Story

• https://github.com/thematters/developer-resource/issues/408