Remove dead code (#45815)

src/metabase/lib/expression.cljc

@@ -487,11 +487,6 @@
                    (lib.util.match/match-one expr :offset))
           {:message  (i18n/tru "OFFSET is not supported in custom columns")
            :friendly true})
-        (when (and (= expression-mode :expression)
-                   (lib.util.match/match-one expr :offset)
-                   (empty? (:order-by (lib.util/query-stage query stage-number))))
-          {:message  (i18n/tru "OFFSET in a custom expression requires a sort order")
-           :friendly true})
         (when (and (= expression-mode :filter)
                    (lib.util.match/match-one expr :offset))
           {:message  (i18n/tru "OFFSET is not supported in custom filters")