doc: remove windows xperf from tierlist

PR-URL: #43607
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Rafael Gonzaga <[email protected]>
Reviewed-By: Gerhard Stöbich <[email protected]>

Author: tony-go

doc/contributing/diagnostic-tooling-support-tiers.md

@@ -135,6 +135,5 @@ The tools are currently assigned to Tiers as follows:
 | Tracing   | trace\_events (API)       | No                            | Yes                     | 1           |
 | Tracing   | trace\_gc                 | No                            | Yes                     | 1           |
 | Tracing   | Systemtap                 | No                            | Partial                 | ?           |
-| Profiling | Windows Xperf             | No                            | ?                       | ?           |
 | F/P/T     | appmetrics                | No                            | No                      | ?           |
 | M/T       | eBPF tracing tool         | No                            | No                      | ?           |