newsletter: Remove mention of benchmarks

Author: gmta

src/content/newsletters/2025-06-30.mdx

@@ -66,8 +66,8 @@ will hook this up to the system's location services together with the necessary
 
 ### CI: macOS and Windows
 
-In May, we've started using [Blacksmith's](https://blacksmith.sh/) action runners which already significantly reduced
-runtimes providing us with quicker iterations on both pull requests and benchmarks. In June, we started using our
+In May, we've started using [Blacksmith's](https://blacksmith.sh/) action runners which already significantly reduces
+the time it takes to run CI, providing us with quicker iterations on pull requests. In June, we started using our
 self-hosted macOS runner removing one of the last performance bottlenecks that we had for PRs. Additionally, we now
 support running CI for Windows on PRs which helps when reviewing them!