acbuild: remove

Project is unmaintained. The project page propose alternatives:

https://github.com/containers/build#this-project-is-currently-unmaintained

pkgs/applications/misc/acbuild/default.nix

@@ -1,37 +0,0 @@
-{ stdenv, go, fetchFromGitHub }:
-
-stdenv.mkDerivation rec {
-  name = "acbuild-${version}";
-  version = "0.4.0";
-
-  src = fetchFromGitHub {
-    owner = "appc";
-    repo = "acbuild";
-    rev = "v${version}";
-    sha256 = "0s81xlaw75d05b4cidxml978hnxak8parwpnk9clanwqjbj66c7x";
-  };
-
-  buildInputs = [ go ];
-
-  patchPhase = ''
-    sed -i -e 's|\git describe --dirty|echo "${version}"|' build
-  '';
-
-  buildPhase = ''
-    patchShebangs build
-    ./build
-  '';
-
-  installPhase = ''
-    mkdir -p $out
-    mv bin $out
-  '';
-
-  meta = with stdenv.lib; {
-    description = "A build tool for ACIs";
-    homepage = https://github.com/appc/acbuild;
-    license = licenses.asl20;
-    maintainers = with maintainers; [ dgonyeo ];
-    platforms = platforms.linux;
-  };
-}

pkgs/top-level/all-packages.nix

@@ -450,8 +450,6 @@ in
 
   abduco = callPackage ../tools/misc/abduco { };
 
-  acbuild = callPackage ../applications/misc/acbuild { };
-
   acct = callPackage ../tools/system/acct { };
 
   accuraterip-checksum = callPackage ../tools/audio/accuraterip-checksum { };