modify helix package and add idris tree-sitter integration

pkgs/helix.nix

@@ -1,55 +0,0 @@
-{
-  lib,
-  pkgs,
-  inputs,
-  ...
-}:
-let
-  helix = inputs.helix.packages."${pkgs.system}".default;
-  runtimeInputs = (
-    with pkgs;
-    [
-      lua-language-server
-      bash-language-server
-      hurl
-      cmake-language-server
-      kdlfmt
-      rustfmt
-      clang-tools
-      libxml2
-      typstyle
-      pyright
-      ruff
-      gotools
-      yaml-language-server
-      taplo
-      markdown-oxide
-      nixd
-      deno
-      nixfmt-rfc-style
-      vscode-langservers-extracted
-      fish-lsp
-      gopls
-      golangci-lint-langserver
-      tinymist
-      delve
-      lldb
-      rust-analyzer
-      nil
-      haskell-language-server
-      neocmakelsp
-    ]
-  );
-in
-pkgs.symlinkJoin {
-  name = "helix-wrapped";
-  paths = [ helix ];
-  inherit (helix) meta;
-  buildInputs = [
-    pkgs.makeWrapper
-  ];
-  postBuild = ''
-    wrapProgram $out/bin/hx \
-    --suffix PATH : ${lib.makeBinPath runtimeInputs}
-  '';
-}