docs: remove the mention of preserve flag for Talos 1.8+
#6383
| Job | Run time |
|---|---|
| 13m 50s | |
| 0s | |
| 0s | |
| 2m 8s | |
| 5m 0s | |
| 6m 55s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 27m 53s |