refactor: cookie domain logic in defaultCookies (#22168)

packages/lib/default-cookies.ts

@@ -1,7 +1,5 @@
 import type { CookieOption, CookiesOptions } from "next-auth";
 
-import { isENVDev } from "@calcom/lib/env";
-
 /**
  * Copy from 'https://github.com/nextauthjs/next-auth/blob/227ff2259f/src/core/lib/cookie.ts' as we can't import it directly
  *
@@ -20,12 +18,7 @@ export function defaultCookies(useSecureCookies: boolean): CookiesOptions {
   const cookiePrefix = useSecureCookies ? "__Secure-" : "";
 
   const defaultOptions: CookieOption["options"] = {
-    domain: isENVDev
-      ? process.env.ORGANIZATIONS_ENABLED
-        ? //FIXME: This is causing login to not work if someone uses anything other .cal.local for testing
-          ".cal.local"
-        : undefined
-      : NEXTAUTH_COOKIE_DOMAIN,
+    domain: NEXTAUTH_COOKIE_DOMAIN || undefined,
     // To enable cookies on widgets,
     // https://stackoverflow.com/questions/45094712/iframe-not-reading-cookies-in-chrome
     // But we need to set it as `lax` in development