refactor: ♻️emoves Env parameter

Removes the `Env` parameter from several functions to simplify their signatures and rely on the global `env` for configuration.

This change reduces the number of arguments passed around, making the code cleaner and easier to maintain.

src/controllers/token/index.ts

@@ -4,7 +4,6 @@ import { env } from "hono/adapter";
 import { getAdminSdkCredentials } from "~/libs/gcloud/getAdminSdkCredentials";
 import { verifyFcmToken } from "~/libs/gcloud/verifyFcmToken";
 import { saveToken } from "~/models/token";
-import type { Env } from "~/types/env";
 import {
   ErrorResponse,
   ErrorResponseSchema,
@@ -68,15 +67,12 @@ app.openapi(route, async (c) => {
   const { token, deviceId } = await c.req.json<typeof SaveTokenRequest._type>();
 
   try {
-    const isValidToken = await verifyFcmToken(
-      token,
-      getAdminSdkCredentials(c.env),
-    );
+    const isValidToken = await verifyFcmToken(token, getAdminSdkCredentials());
     if (!isValidToken) {
       return c.json(ErrorResponse, 401);
     }
 
-    await saveToken(env(c, "workerd"), deviceId, token);
+    await saveToken(deviceId, token);
   } catch (error) {
     console.error("Failed to save token");
     console.error(error);