chore: remove old AI classification feature (#5529)

Co-authored-by: Victor Santos <victor@formbricks.com>

apps/web/package.json

@@ -17,7 +17,6 @@
     "generate-and-merge-api-specs": "npm run generate-api-specs && npm run merge-client-endpoints"
   },
   "dependencies": {
-    "@ai-sdk/azure": "1.1.9",
     "@aws-sdk/client-s3": "3.782.0",
     "@aws-sdk/s3-presigned-post": "3.782.0",
     "@aws-sdk/s3-request-presigner": "3.782.0",
@@ -85,7 +84,6 @@
     "@vercel/functions": "2.0.0",
     "@vercel/og": "0.6.8",
     "@vercel/otel": "1.10.4",
-    "ai": "4.3.4",
     "autoprefixer": "10.4.21",
     "aws-crt": "1.26.2",
     "bcryptjs": "3.0.2",