Revert "feat(chat): add composer action menu"

This reverts commit 7789673fff.

src/lib/navigation/chat_unlock_session.ts

@@ -1,7 +1,6 @@
 "use client";
 
 import {
-  createPendingChatPromotion as createPromotion,
   NavigationStorage,
   type PendingChatUnlock,
   type PendingChatUnlockKind,
@@ -18,13 +17,6 @@ export type {
   PendingChatUnlockStage,
 };
 
-export function createPendingChatPromotion(
-  promotionType: PendingChatPromotionType,
-  characterId: string,
-): PendingChatPromotion {
-  return createPromotion(promotionType, characterId);
-}
-
 export async function savePendingChatUnlock(input: {
   characterId: string;
   displayMessageId?: string;