Use shared AP blueprint, drop custom wellknown/actors BPs

Webfinger, actor profile, inbox, outbox, and followers are now served
by the shared AP blueprint registered in create_base_app(). Federation
keeps identity + social blueprints for UI routes.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app.py

@@ -9,8 +9,6 @@ from shared.infrastructure.factory import create_base_app
 from shared.services.registry import services
 
 from bp import (
-    register_wellknown_bp,
-    register_actors_bp,
     register_identity_bp,
     register_social_bp,
 )
@@ -61,8 +59,8 @@ def create_app() -> "Quart":
     ])
 
     # --- blueprints ---
-    app.register_blueprint(register_wellknown_bp())
-    app.register_blueprint(register_actors_bp())
+    # Well-known + actors (webfinger, inbox, outbox, etc.) are now handled
+    # by the shared AP blueprint registered in create_base_app().
     app.register_blueprint(register_identity_bp())
     app.register_blueprint(register_social_bp())