refactor(dev-deps): remove unnecessary poetry2nix overrides

poetry-overrides.nix

@@ -1,30 +1,10 @@
 self: super: {
-  mkdocstrings = super.mkdocstrings.overridePythonAttrs (_: {
-    # patch the installed mkdocstrings sources to fix jinja2 imports
-    #
-    # strip the first two levels "a/src/" when patching since we're in site-packages
-    # just above mkdocstrings
-    postInstall = ''
-      pushd "$out/${self.python.sitePackages}"
-      patch -p2 < "${self.pkgs.fetchpatch {
-        name = "fix-jinja2-imports.patch";
-        url = "https://github.com/mkdocstrings/mkdocstrings/commit/b37722716b1e0ed6393ec71308dfb0f85e142f3b.patch";
-        hash = "sha256-DD1SjEvs5HBlSRLrqP3jhF/yoeWkF7F3VXCD1gyt5Fc=";
-      }}"
-      popd
-    '';
-  });
-
   # `wheel` cannot be used as a wheel to unpack itself, since that would
   # require itself (infinite recursion)
   wheel = super.wheel.override { preferWheel = false; };
 
   ipython-genutils = self.ipython_genutils;
 
-  # without this we won't pick up the necessary patches to nbconvert's paths to
-  # jupyter in the nix store
-  nbconvert = super.nbconvert.override { preferWheel = false; };
-
   # TODO: Build grpcio from src on darwin because macOS 12_0 wheels won't install
   # TODO: Remove when the nix version of `pip` is upgraded?
   grpcio = super.grpcio.override { preferWheel = !self.pkgs.stdenv.isDarwin; };