drop the casts the dual-world layer needed

With every producer on the generated lexicons, the branded-string assertions at
these 30 sites are no-ops, and oxlint flags them. Also sorts the imports the
type flip disturbed and prunes the suppressions that no longer occur.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/locale/helpers.ts

@@ -1,9 +1,9 @@
 import * as bcp47Match from 'bcp-47-match'
 import lande from 'lande'
 
-import * as bsky from '#/types/bsky'
-import {app} from '#/lexicons'
 import {hasProp} from '#/lib/type-guards'
+import {app} from '#/lexicons'
+import * as bsky from '#/types/bsky'
 import {
   AppLanguage,
   type Language,