chore: remove CORS headers from responses as it is handled outside

# Conflicts:
#	dashboard/backend/cf-serve.ts
#	dashboard/backend/create-handler.ts

Author: necrodome

dashboard/backend/cf-serve.ts

@@ -2,6 +2,9 @@ import { drizzle } from "drizzle-orm/d1";
 import { D1Database, Fetcher, Request as CFRequest, Response as CFResponse } from "@cloudflare/workers-types";
 import { DefaultHttpHeaders, createHandler } from "./create-handler.js";
 import { URI } from "@adviser/cement";
+import { Request as CFRequest, Response as CFResponse, D1Database, Fetcher } from "@cloudflare/workers-types";
+import { drizzle } from "drizzle-orm/d1";
+import { CORS, createHandler } from "./create-handler.js";
 import { resWellKnownJwks } from "./well-known-jwks.js";
 
 export interface Env {