parallel-rust: remove

- package has no maintainer
- upstream is dead
- build is broken

pkgs/tools/misc/parallel-rust/default.nix

@@ -1,25 +0,0 @@
-{ stdenv, fetchFromGitHub, rustPlatform }:
-
-rustPlatform.buildRustPackage rec {
-  pname = "parallel-rust";
-  version = "0.11.3";
-
-  src = fetchFromGitHub {
-    owner = "mmstick";
-    repo = "parallel";
-    rev = version;
-    sha256 = "1bb1m3ckkrxlnw9w24ig70bd1zwyrbaw914q3xz5yv43c0l6pn9c";
-  };
-
-  cargoSha256 = "1r5chjhmy6ivhsvgqf75ph1qxa4x7n20f7rb3b6maqpbsc64km9n";
-
-  patches = [ ./fix_cargo_lock_version.patch ];
-
-  meta = with stdenv.lib; {
-    description = "A command-line CPU load balancer written in Rust";
-    homepage = https://github.com/mmstick/parallel;
-    license = licenses.mit;
-    maintainers = [];
-    platforms = platforms.all;
-  };
-}

pkgs/tools/misc/parallel-rust/fix_cargo_lock_version.patch

@@ -1,12 +0,0 @@
-diff --git a/Cargo.lock b/Cargo.lock
-index c01308d..dba3927 100644
---- a/Cargo.lock
-+++ b/Cargo.lock
-@@ -1,6 +1,6 @@
- [root]
- name = "parallel"
--version = "0.11.2"
-+version = "0.11.3"
- dependencies = [
-  "arrayvec 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)",
-  "itoa 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",

pkgs/top-level/all-packages.nix

@@ -2095,8 +2095,6 @@ in
 
   precice = callPackage ../development/libraries/precice { };
 
-  parallel-rust = callPackage ../tools/misc/parallel-rust { };
-
   pueue = callPackage ../applications/misc/pueue { };
 
   pixiecore = callPackage ../tools/networking/pixiecore {};