remove slicing definition for PractitionerRole.extension in StructureDefinition

Author: patrick-werner

src/fhir/fsh-generated/resources/StructureDefinition-PractitionerRoleDirectory.json

@@ -59,20 +59,6 @@
         "min": 1,
         "patternUri": "https://gematik.de/fhir/directory/CodeSystem/Origin"
       },
-      {
-        "id": "PractitionerRole.extension",
-        "path": "PractitionerRole.extension",
-        "slicing": {
-          "discriminator": [
-            {
-              "type": "value",
-              "path": "url"
-            }
-          ],
-          "ordered": false,
-          "rules": "open"
-        }
-      },
       {
         "id": "PractitionerRole.extension:holderId",
         "path": "PractitionerRole.extension",