adapter.json: Remove deprecated XSD DataTypes from Schema

This removes the two XSD datatypes

- `xs:dateTimeStamp`
- `xs:dayTimeDuration`

from the `DataTypeDefXsd` in the JSON schema, as they were
removed from the specification in v3.0

basyx/aas/adapter/json/aasJSONSchema.json

@@ -445,8 +445,6 @@
  "xs:byte",
  "xs:date",
  "xs:dateTime",
- "xs:dateTimeStamp",
- "xs:dayTimeDuration",
  "xs:decimal",
  "xs:double",
  "xs:duration",