Remove code that activated meow motion mode in sly-db-mode

Equivalent code exists in upstream Meow now.

init.el

@@ -617,9 +617,7 @@
             (format "%S\n\n" old-init-list))
         old-init)))
   (advice-add #'sly-init-using-asdf :filter-return #'my--sly-add-project-root-to-asdf)
-  (sly-setup)
-  (with-eval-after-load 'meow
-    (add-to-list 'meow-mode-state-list '(sly-db-mode . motion))))
+  (sly-setup))
 
 (use-package sly-asdf)
 (use-package sly-named-readtables)