Remove rust-for-linux to fix failing test

Author: tmandry

repos/rust-lang/beyond-refs.toml

@@ -16,7 +16,6 @@ project-const-traits = "maintain"
 project-dyn-upcasting = "maintain"
 project-impl-trait = "maintain"
 project-keyword-generics = "maintain"
-rust-for-linux = "maintain"
 types = "maintain"
 wg-async = "maintain"
 wg-safe-transmute = "maintain"