[DOCS] Remove cat anomaly detectors enum values via overlay (#4441) (#4456)

(cherry picked from commit ba32be2)

Co-authored-by: Lisa Cawley <lcawley@elastic.co>

Author: github-actions[bot]

docs/overlays/elasticsearch-shared-overlays.yaml

@@ -1085,3 +1085,7 @@ actions:
         - $ref: "../../specification/_global/exists/examples/xCodeSamples/DocumentExistsJavaScriptExample1.yaml"
         - $ref: "../../specification/_global/exists/examples/xCodeSamples/DocumentExistsPythonExample1.yaml"
         - $ref: "../../specification/_global/exists/examples/xCodeSamples/DocumentExistsRubyExample1.yaml"
+# Remove long lists of enum values
+  - target: "$.components['schemas']['cat._types.CatAnomalyDetectorColumn'].enum"
+    description: Remove enum array
+    remove: true