Remove access checks when watching

https://github.com/basecamp/fizzy/pull/425#discussion_r2056039581

app/models/card/watchable.rb

@@ -13,9 +13,7 @@ module Card::Watchable
   end
 
   def watch_by(user)
-    if collection.accessible_to?(user)
-      watches.where(user: user).first_or_create.update!(watching: true)
-    end
+    watches.where(user: user).first_or_create.update!(watching: true)
   end
 
   def unwatch_by(user)

app/models/collection/accessible.rb

@@ -32,10 +32,6 @@ module Collection::Accessible
     accesses.find_by(user: user)
   end
 
-  def accessible_to?(user)
-    access_for(user).present?
-  end
-
   private
     def grant_access_to_everyone
       accesses.grant_to(User.all) if all_access_previously_changed?(to: true)

app/models/user/accessor.rb

@@ -9,10 +9,6 @@ module User::Accessor
     after_create_commit :grant_access_to_collections
   end
 
-  def can_access_card?(card)
-    card.collection.accessible_to?(self)
-  end
-
   private
     def grant_access_to_collections
       Access.insert_all Collection.all_access.pluck(:id).collect { |collection_id| { collection_id: collection_id, user_id: id } }