Move books. from Calibre-Web to Kavita

Kavita now serves books.thesatelliteoflove.com with Pocket ID login
(password login is off), and the temporary kavita. subdomain is gone.
Calibre-Web's stack is removed; its calibre_books and calibre_config
volumes stay on docker-01 as a fallback for now.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

roles/docker/tasks/media/main.yml

@@ -5,10 +5,6 @@
   import_tasks: audiobookshelf.yml
   tags: audiobookshelf
 
-- name: Install calibre
-  import_tasks: calibre.yml
-  tags: calibre
-
 - name: Install kavita
   import_tasks: kavita.yml
   tags: kavita