Revert "fix: make buildbot-profiler build"

This reverts commit 6c677bf795 because I
am removing the Buildbot profiler support, it's unpackageable.

nix/profiler-plugin.nix

@@ -2,13 +2,8 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
-  # Because python3Packages.buildbot and pkgs.buildbot are colliding...
-  buildbotPackages,
   setuptools,
   wheel,
-  fetchYarnDeps,
-  yarnConfigHook,
-  nodejs
 }:
 
 buildPythonPackage rec {
@@ -23,34 +18,11 @@ buildPythonPackage rec {
     hash = "sha256-r56Cze0v3gKWKJwRy0BUYz5z8d0g3jerCIu3KreNxUc=";
   };
 
-  postPatch = ''
-    # Remove some Python 2.
-    sed -i '6d' setup.py
-    # Copy the yarn.lock for further fixups.
-    cp ${./profiler/yarn.lock} yarn.lock
-    chmod +w yarn.lock
-  '';
-
-  yarnOfflineCache = fetchYarnDeps {
-    yarnLock = ./profiler/yarn.lock;
-    hash = "sha256-u3v8Tf5RKOaOARbntqjPGlav5uqGCr/lQ1sF6xPJBmQ=";
-  };
-
-  nativeBuildInputs = [
-    yarnConfigHook
-    # Needed for executing package.json scripts
-    nodejs
-  ];
-
   build-system = [
     setuptools
     wheel
   ];
 
-  dependencies = [
-    buildbotPackages.buildbot-pkg
-  ];
-
   pythonImportsCheck = [
     "buildbot_profiler"
   ];