reset readme to main

Author: frantran

specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/readme.md

@@ -28,25 +28,7 @@ These are the global settings for the ContainerServices API.
 
 ``` yaml
 openapi-type: arm
-tag: package-2025-10-01-preview
-```
-
-### Tag: package-2025-10-01-preview
-
-These settings apply only when `--tag=package-2025-10-01-preview` is specified on the command line.
-
-```yaml $(tag) == 'package-2025-10-01-preview'
-input-file:
-  - preview/2025-10-01-preview/fleets.json
-suppressions:
-  - code: AvoidAdditionalProperties
-    from: fleets.json
-    where: $.definitions.FleetMemberProperties.properties.labels
-    reason: Labels are a key/value map that is passed through to the underlying Kubernetes model.
-  - code: AvoidAdditionalProperties
-    from: fleets.json
-    where: $.definitions.FleetMemberUpdateProperties.properties.labels
-    reason: Labels are a key/value map that is passed through to the underlying Kubernetes model.
+tag: package-2025-04-01-preview
 ```
 
 ### Tag: package-2025-04-01-preview