remove mysql length that errors on DB wipe

Author: jddicki2

src/app/db/init_db.py

@@ -48,11 +48,11 @@ def create_indices(db_session: Session):
     index.create(bind=db_session.bind)
     index = Index('audit_speedup_4', Audit.when_date)
     index.create(bind=db_session.bind)
-    index = Index('user_links_speedup_1', UserLinks.target_type, UserLinks.target_id, mysql_length={'target_type': 16})
+    index = Index('user_links_speedup_1', UserLinks.target_type, UserLinks.target_id)
     index.create(bind=db_session.bind)
     index = Index('user_links_speedup_2', UserLinks.owner_id)
     index.create(bind=db_session.bind)
-    index = Index('popularity_speedup_1', Popularity.target_type, Popularity.target_id, mysql_length={'target_type': 16})
+    index = Index('popularity_speedup_1', Popularity.target_type, Popularity.target_id)
     index.create(bind=db_session.bind)
     index = Index('popularity_speedup_2', Popularity.owner_id)
     index.create(bind=db_session.bind)