Revert "Added initial setup for direnv" (#20721)

This reverts commit ac8eb37367.

We want to keep the top level directory clean

.envrc

@@ -1,2 +0,0 @@
-layout node
-use flake .

.gitignore

@@ -66,9 +66,6 @@ typings/
 # dotenv environment variables file
 .env
 
-# direnv
-.direnv
-
 # IDE
 .idea/*
 *.iml

flake.lock

@@ -1,43 +0,0 @@
-{
-  "nodes": {
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1708501555,
-        "narHash": "sha256-zJaF0RkdIPbh8LTmnpW/E7tZYpqIE+MePzlWwUNob4c=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "b50a77c03d640716296021ad58950b1bb0345799",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "nixpkgs": "nixpkgs",
-        "systems": "systems"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}

flake.nix

@@ -1,49 +0,0 @@
-{
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    systems.url = "github:nix-systems/default";
-  };
-
-  outputs = {
-    systems,
-    nixpkgs,
-    ...
-  } @ inputs: let
-    yarn_overlay = final: prev: {
-        yarn = prev.yarn.overrideAttrs(finalAttrs: prevAttrs: {
-            # This is to make sure that yarn runs the correct node version
-            # https://github.com/NixOS/nixpkgs/issues/145634#issuecomment-1627476963
-            installPhase = prevAttrs.installPhase + ''
-                ln -fs $out/libexec/yarn/bin/yarn $out/bin/yarn
-                ln -fs $out/libexec/yarn/bin/yarn.js $out/bin/yarn.js
-                ln -fs $out/libexec/yarn/bin/yarn $out/bin/yarnpkg
-            '';
-        });
-    };
-
-    # This gives us a central place to set the node version
-    node_overlay = final: prev: {
-        nodejs = prev.nodejs-18_x;
-    };
-
-    eachSystem = f:
-      nixpkgs.lib.genAttrs (import systems) (
-        system:
-          f ((nixpkgs.legacyPackages.${system}.extend yarn_overlay).extend node_overlay)
-      );
-  in {
-
-    devShells = eachSystem (pkgs: {
-      default = pkgs.mkShell {
-        buildInputs = with pkgs; [
-            nodejs
-            yarn
-        ];
-
-        shellHook = ''
-            echo "node `${pkgs.nodejs}/bin/node --version`"
-        '';
-      };
-    });
-  };
-}