[ja] remove IdentifyPodOS in feature-gates

Author: ystkfujii

content/ja/docs/reference/command-line-tools-reference/feature-gates.md

@@ -264,9 +264,6 @@ content_type: concept
 | `ExpandPersistentVolumes` | `false` | Alpha | 1.8 | 1.10 |
 | `ExpandPersistentVolumes` | `true` | Beta | 1.11 | 1.23 |
 | `ExpandPersistentVolumes` | `true` | GA | 1.24 |- |
-| `IdentifyPodOS` | `false` | Alpha | 1.23 | 1.23 |
-| `IdentifyPodOS` | `true` | Beta | 1.24 | 1.24 |
-| `IdentifyPodOS` | `true` | GA | 1.25 | - |
 | `JobTrackingWithFinalizers` | `false` | Alpha | 1.22 | 1.22 |
 | `JobTrackingWithFinalizers` | `false` | Beta | 1.23 | 1.24 |
 | `JobTrackingWithFinalizers` | `true` | Beta | 1.25 | 1.25 |