avbroot: migrate to new apple sdk structure

pkgs/by-name/av/avbroot/package.nix

@@ -6,7 +6,6 @@
   protobuf,
   bzip2,
   stdenv,
-  darwin,
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -33,9 +32,7 @@ rustPlatform.buildRustPackage rec {
     protobuf
   ];
 
-  buildInputs = [
-    bzip2
-  ] ++ lib.optionals stdenv.hostPlatform.isDarwin [ darwin.apple_sdk.frameworks.Security ];
+  buildInputs = [ bzip2 ];
 
   meta = {
     description = "Sign (and root) Android A/B OTAs with custom keys while preserving Android Verified Boot";