Replace the dev server's wasm-pack, cargo-watch, and concurrently tools with custom cargo-run tooling (#4254)

Replace wasm-pack, cargo-watch and concurrently with custom build tooling

Co-authored-by: Keavon Chambers <keavon@keavon.com>

.nix/pkgs/graphite.nix

@@ -84,7 +84,6 @@ deps.crane.lib.buildPackage (
       pkgs.nodejs
       pkgs.binaryen
       pkgs.wasm-bindgen-cli_0_2_121
-      pkgs.wasm-pack
       pkgs.cargo-about
       pkgs.removeReferencesTo
       pkgs.importNpmLock.npmConfigHook
@@ -94,7 +93,6 @@ deps.crane.lib.buildPackage (
       npmRoot = "${info.src}/frontend";
     };
     npmRoot = "frontend";
-    npmConfigScript = "setup";
     makeCacheWritable = true;
 
     env = {