cleanup perf triage a bit

Author: panstromek

draft/2025-04-23-this-week-in-rust.md

@@ -113,11 +113,12 @@ If you are an event organizer hoping to expand the reach of your event, please s
 
 ### Rust Compiler Performance Triage
 
-**Summary**: Mostly positive week. Most of the improvements come from a revert of a regression from a few weeks ago, but we also get nice wins from re-using Sized  fast-path, coming from Sized hierarchy implementation work.
+Mostly positive week. Most of the improvements come from a revert of a regression from a few weeks ago, but we also get nice wins from re-using Sized  fast-path, coming from Sized hierarchy implementation work.
 
 Triage done by **@panstromek**.
 Revision range: [15f58c46..8f2819b0](https://perf.rust-lang.org/?start=15f58c46da79399961a09db0c650a2f90f442e6b&end=8f2819b0e3428d0aee05fa60e91e0211c2aea053&absolute=false&stat=instructions%3Au)
 
+**Summary**:
 
 | (instructions:u)                   | mean  | range           | count |
 |:----------------------------------:|:-----:|:---------------:|:-----:|
@@ -127,10 +128,6 @@ Revision range: [15f58c46..8f2819b0](https://perf.rust-lang.org/?start=15f58c46d
 | Improvements ✅ <br /> (secondary) | -2.2% | [-12.3%, -0.2%] | 111   |
 | All ❌✅ (primary)                 | -0.9% | [-12.9%, 2.1%]  | 151   |
 
-
-0 Regressions, 4 Improvements, 2 Mixed; 3 of them in rollups
-35 artifact comparisons made in total
-
 [Full report here](https://github.com/rust-lang/rustc-perf/blob/02138a9d3679be358403ee8906141666870e5346/triage/2024-04-22.md)
 
 ### [Approved RFCs](https://github.com/rust-lang/rfcs/commits/master)