gdb: remove applied patch for darwin

This patch is no longer needed. The commit was included in this
release.

https://hydra.nixos.org/build/94447561

pkgs/development/tools/misc/gdb/default.nix

@@ -33,12 +33,6 @@ stdenv.mkDerivation rec {
     ./debug-info-from-env.patch
   ] ++ stdenv.lib.optionals stdenv.isDarwin [
     ./darwin-target-match.patch
-    (fetchpatch {
-      name = "gdb-aarch64-linux-tdep.patch";
-      url = "https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=patch;h=0c0a40e0abb9f1a584330a1911ad06b3686e5361";
-      excludes = [ "gdb/ChangeLog" ];
-      sha256 = "16zjw99npyapj68sw52xzmbw671ajm9xv7g5jxfmp94if5y91mnj";
-    })
   ];
 
   nativeBuildInputs = [ pkgconfig texinfo perl setupDebugInfoDirs ];