Revert "Pass referrer on native (with an opt out) (#6648)" (#6732)

This reverts commit ac5b2cf31f.

src/state/persisted/schema.ts

@@ -124,7 +124,6 @@ const schema = z.object({
   subtitlesEnabled: z.boolean().optional(),
   /** @deprecated */
   mutedThreads: z.array(z.string()),
-  optOutOfUtm: z.boolean().optional(),
 })
 export type Schema = z.infer<typeof schema>
 
@@ -170,7 +169,6 @@ export const defaults: Schema = {
   kawaii: false,
   hasCheckedForStarterPack: false,
   subtitlesEnabled: true,
-  optOutOfUtm: false,
 }
 
 export function tryParse(rawData: string): Schema | undefined {