fix(docs): correct iperf3 version from 3.21 to 3.19 in LICENSE

LICENSE

@@ -22,5 +22,5 @@ SOFTWARE.
 
 ---
 
-Note: This project bundles iperf3 v3.21, which is licensed under the
+Note: This project bundles iperf3 v3.19, which is licensed under the
 BSD-3-Clause license. See the bundled iperf3 source for its full license text.

README.md

@@ -40,9 +40,6 @@ domain, so shipping an iperf3 ELF in assets and running it via `Process.start()`
 fails with "Permission denied". iperf3 is therefore compiled as a shared library
 (`libiperf3jni.so`) and called in-process over JNI.
 
-`assets/iperf3/` still holds the pre-compiled binaries from that earlier
-approach. They are not declared in `pubspec.yaml`, so they are not packaged into
-the APK, and nothing in the app reads them.
 
 ## Building