chore(login): Remove Vercel Analytics from login application (#10701)

This PR removes the Vercel Analytics integration from the login
application to reduce external dependencies and improve privacy.

# Which Problems Are Solved

cleaner csp

# How the Problems Are Solved

- Removed dependency: Uninstalled @vercel/analytics package from
package.json
- Updated layout component: Removed Analytics import and component usage
from layout.tsx
- Updated Content Security Policy: Removed Vercel domains
(https://va.vercel-scripts.com and https://vercel.com) from CSP
configuration in csp.js

pnpm-lock.yaml

@@ -40,9 +40,6 @@ importers:
       '@tailwindcss/forms':
         specifier: 0.5.7
         version: 0.5.7([email protected])
-      '@vercel/analytics':
-        specifier: ^1.2.2
-        version: 1.5.0([email protected](@babel/[email protected])(@playwright/[email protected])([email protected]([email protected]))([email protected])([email protected]))([email protected])
       '@zitadel/client':
         specifier: workspace:*
         version: link:../../packages/zitadel-client
@@ -5770,32 +5767,6 @@ packages:
     cpu: [x64]
     os: [win32]
 
-  '@vercel/[email protected]':
-    resolution: {integrity: sha512-MYsBzfPki4gthY5HnYN7jgInhAZ7Ac1cYDoRWFomwGHWEX7odTEzbtg9kf/QSo7XEsEAqlQugA6gJ2WS2DEa3g==}
-    peerDependencies:
-      '@remix-run/react': ^2
-      '@sveltejs/kit': ^1 || ^2
-      next: '>= 13'
-      react: ^18 || ^19 || ^19.0.0-rc
-      svelte: '>= 4'
-      vue: ^3
-      vue-router: ^4
-    peerDependenciesMeta:
-      '@remix-run/react':
-        optional: true
-      '@sveltejs/kit':
-        optional: true
-      next:
-        optional: true
-      react:
-        optional: true
-      svelte:
-        optional: true
-      vue:
-        optional: true
-      vue-router:
-        optional: true
-
   '@vercel/[email protected]':
     resolution: {integrity: sha512-OxDFAAdyiJ/H0b8zR9rFCu3BIb78LekBXOphOYG3snV4ULhKFX387pBPpqZ9HLiRTejBWBxYEahkw79tuIgdAA==}
 
@@ -21714,11 +21685,6 @@ snapshots:
   '@unrs/[email protected]':
     optional: true
 
-  '@vercel/[email protected]([email protected](@babel/[email protected])(@playwright/[email protected])([email protected]([email protected]))([email protected])([email protected]))([email protected])':
-    optionalDependencies:
-      next: 15.4.0-canary.86(@babel/[email protected])(@playwright/[email protected])([email protected]([email protected]))([email protected])([email protected])
-      react: 19.1.0
-
   '@vercel/[email protected]': {}
 
   '@vitejs/[email protected]([email protected](@types/[email protected])([email protected])([email protected])([email protected])([email protected]))':