Drop gnu from nixSystemToRustTargets

Author: palfrey

local-remote-execution/overlays/rust-config.nix

@@ -18,9 +18,7 @@ in rec {
       "x86_64-unknown-linux-musl"
     ];
     "aarch64-linux" = [
-      "aarch64-unknown-linux-gnu"
       "aarch64-unknown-linux-musl"
-      "x86_64-unknown-linux-gnu"
       "x86_64-unknown-linux-musl"
     ];
     "x86_64-darwin" = [
@@ -32,9 +30,7 @@ in rec {
       "x86_64-unknown-linux-musl"
     ];
     "x86_64-linux" = [
-      "aarch64-unknown-linux-gnu"
       "aarch64-unknown-linux-musl"
-      "x86_64-unknown-linux-gnu"
       "x86_64-unknown-linux-musl"
     ];
   };