Revert formatting of stable_identifier_version to date

Author: Jorgen-5

generated/python/datadoc_model/pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "ssb-datadoc-model"
-version = "8.0.2"
+version = "8.0.3"
 description = "Data Model for use in Statistics Norway's Metadata system"
 authors = [{ name = "Statistics Norway", email = "[email protected]" }]
 license = "MIT"

src/datadoc/datadoc-json-schema.json

@@ -10,7 +10,7 @@
     },
     "document_version": {
       "description": "Version of this model",
-      "const": "6.1.1"
+      "const": "6.1.2"
     },
     "dataset": {
       "type": "object",
@@ -293,7 +293,6 @@
                 "title": "Stable identifier version",
                 "description": "Version of stable identifier the variable was mapped to prior to pseudonymization.",
                 "$comment": "Only relevant when the variable is mapped to a stable identifier.",
-                "format": "date"
               },
               "encryption_algorithm": {
                 "type": "string",