message: fix: Remove obsolete IDP CSS config entry.
diff: {
  "StaticAssetHandler:_assets_key": "/.well_known/css/images/",
  "StaticAssetHandler:_assets_value": "$PACKAGE_ROOT/templates/images/"
  - },
  - {
  - "StaticAssetHandler:_assets_key": "/idp/style.css",
  - "StaticAssetHandler:_assets_value": "$PACKAGE_ROOT/templates/identity/email-password/main.css"
  }
  ]
  }
  