remove old patches and attributes from xorgserver

pkgs/servers/x11/xorg/overrides.nix

···
         # Patches can be pulled from the server-*-apple branches of:
         # http://cgit.freedesktop.org/~jeremyhu/xserver/
         patches = commonPatches ++ [
-          ./darwin/0001-XQuartz-GLX-Use-__glXEnableExtension-to-build-extens.patch
           ./darwin/0002-sdksyms.sh-Use-CPPFLAGS-not-CFLAGS.patch
-          ./darwin/0003-Workaround-the-GC-clipping-problem-in-miPaintWindow-.patch
           ./darwin/0004-Use-old-miTrapezoids-and-miTriangles-routines.patch
-          ./darwin/0005-fb-Revert-fb-changes-that-broke-XQuartz.patch
           ./darwin/0006-fb-Revert-fb-changes-that-broke-XQuartz.patch
           ./darwin/private-extern.patch
           ./darwin/bundle_main.patch
           ./darwin/stub.patch
-          ./darwin/function-pointer-test.patch
         ];
         configureFlags = [
           # note: --enable-xquartz is auto
···
           "--with-bundle-id-prefix=org.nixos.xquartz"
           "--with-sha1=CommonCrypto"
         ];
-        __impureHostDeps = ["/System/Library" "/usr"];
-        NIX_CFLAGS_COMPILE = "-F/System/Library/Frameworks -I/usr/include";
-        NIX_CFLAGS_LINK = "-L/usr/lib";
         preConfigure = ''
           ensureDir $out/Applications
           export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -Wno-error"