Remove unused var `card-or-throw` (#48057)

src/metabase/lib/metadata.cljc

@@ -122,14 +122,6 @@
    card-id               :- ::lib.schema.id/card]
   (lib.metadata.protocols/card (->metadata-provider metadata-providerable) card-id))
 
-(mu/defn card-or-throw :- ::lib.schema.metadata/card
-  "Like [[card]], but throws if the Card is not found."
-  [metadata-providerable :- ::lib.schema.metadata/metadata-providerable
-   card-id               :- ::lib.schema.id/card]
-  (or (card metadata-providerable card-id)
-      (throw (ex-info (i18n/tru "Card {0} does not exist, or belongs to a different Database." (pr-str card-id))
-                      {:card-id card-id}))))
-
 (mu/defn segment :- [:maybe ::lib.schema.metadata/segment]
   "Get metadata for the Segment with `segment-id`, if it can be found."
   [metadata-providerable :- ::lib.schema.metadata/metadata-providerable