Remove installation instructions for discontinued Funtoo Linux

README.md

@@ -56,8 +56,8 @@ hyperfine --warmup 3 'grep -R TODO *'
 ```
 
 Conversely, if you want to run the benchmark for a cold cache, you can use the `-p`/`--prepare`
-option to run a special command before *each* timing run. For example, to clear Linux filesystem caches,
-you can run
+option to run a special command before *each* timing run. For example, to clear harddisk caches
+on Linux, you can run
 ```sh
 sync; echo 3 | sudo tee /proc/sys/vm/drop_caches
 ```
@@ -212,13 +212,6 @@ cave resolve -x repository/rust
 cave resolve -x hyperfine
 ```
 
-### On Funtoo Linux
-
-On Funtoo Linux, hyperfine can be installed [from core-kit](https://github.com/funtoo/core-kit/tree/1.4-release/app-benchmarks/hyperfine):
-```
-emerge app-benchmarks/hyperfine
-```
-
 ### On NixOS
 
 On NixOS, hyperfine can be installed [from the official repositories](https://nixos.org/nixos/packages.html?query=hyperfine):