Remove deprecated monitor type from API docs (#1900)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com>
Co-authored-by: api-clients-generation-pipeline[bot] <54105614+api-clients-generation-pipeline[bot]@users.noreply.github.com>

Author: api-clients-generation-pipeline[bot]

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-07-18 16:48:22.208939",
-            "spec_repo_commit": "fd57724c"
+            "regenerated": "2024-07-18 17:22:38.080265",
+            "spec_repo_commit": "9ab8be35"
         },
         "v2": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-07-18 16:48:22.234295",
-            "spec_repo_commit": "fd57724c"
+            "regenerated": "2024-07-18 17:22:38.105445",
+            "spec_repo_commit": "9ab8be35"
         }
     }
 }

.generator/schemas/v1/openapi.yaml

@@ -27026,8 +27026,6 @@ paths:
 
         - custom: `service check`
 
-        - event: `event alert`
-
         - forecast: `query alert`
 
         - host: `service check`

lib/datadog_api_client/v1/api/monitors_api.rb

@@ -109,7 +109,6 @@ def create_monitor(body, opts = {})
     # - APM: `query alert` or `trace-analytics alert`
     # - composite: `composite`
     # - custom: `service check`
-    # - event: `event alert`
     # - forecast: `query alert`
     # - host: `service check`
     # - integration: `query alert` or `service check`