docker-machine-kvm2: remove obsolete package

minikube 1.38.0 internalized the KVM driver (kubernetes/minikube#21625).
The external docker-machine-driver-kvm2 binary is no longer needed.
Users should use `minikube start -d kvm` directly.

pkgs/applications/networking/cluster/docker-machine/kvm2.nix

@@ -1,42 +0,0 @@
-{
-  lib,
-  buildGoModule,
-  minikube,
-}:
-
-buildGoModule rec {
-  inherit (minikube)
-    version
-    src
-    nativeBuildInputs
-    buildInputs
-    vendorHash
-    doCheck
-    ;
-
-  pname = "docker-machine-kvm2";
-
-  postPatch = minikube.postPatch + ''
-    sed -i '/GOARCH=$*/d' Makefile
-  '';
-
-  buildPhase = ''
-    make docker-machine-driver-kvm2 COMMIT=${src.rev}
-  '';
-
-  installPhase = ''
-    install out/docker-machine-driver-kvm2 -Dt $out/bin
-  '';
-
-  meta = {
-    homepage = "https://minikube.sigs.k8s.io/docs/drivers/kvm2";
-    description = "KVM2 driver for docker-machine";
-    mainProgram = "docker-machine-driver-kvm2";
-    license = lib.licenses.asl20;
-    maintainers = with lib.maintainers; [
-      tadfisher
-      atkinschang
-    ];
-    platforms = lib.platforms.linux;
-  };
-}

pkgs/top-level/all-packages.nix

@@ -10037,8 +10037,6 @@ with pkgs;
   docker-machine-hyperkit =
     callPackage ../applications/networking/cluster/docker-machine/hyperkit.nix
       { };
-  docker-machine-kvm2 = callPackage ../applications/networking/cluster/docker-machine/kvm2.nix { };
-
   docker-buildx = callPackage ../applications/virtualization/docker/buildx.nix { };
   docker-compose = callPackage ../applications/virtualization/docker/compose.nix { };
   docker-sbom = callPackage ../applications/virtualization/docker/sbom.nix { };