azure: stop carrying qemu-220 patch

nixos/modules/virtualisation/azure-image.nix

···
 
 with lib;
 let
-  diskSize = 30720;
+  diskSize = 2048;
 in
 {
   system.build.azureImage = import ../../lib/make-disk-image.nix {
     name = "azure-image";
     postVM = ''
-      ${pkgs.vmTools.qemu-220}/bin/qemu-img convert -f raw -o subformat=fixed -O vpc $diskImage $out/disk.vhd
+      ${pkgs.vmTools.qemu}/bin/qemu-img convert -f raw -o subformat=fixed,force_size -O vpc $diskImage $out/disk.vhd
     '';
     configFile = ./azure-config-user.nix;
     format = "raw";

nixos/modules/virtualisation/azure-qemu-220-no-etc-install.patch

···
-diff --git a/Makefile b/Makefile
-index d6b9dc1..ce7c493 100644
---- a/Makefile
-+++ b/Makefile
-@@ -384,8 +384,7 @@ install-confdir:
- install-sysconfig: install-datadir install-confdir
- 	$(INSTALL_DATA) $(SRC_PATH)/sysconfigs/target/target-x86_64.conf "$(DESTDIR)$(qemu_confdir)"
- 
--install: all $(if $(BUILD_DOCS),install-doc) install-sysconfig \
--install-datadir install-localstatedir
-+install: all $(if $(BUILD_DOCS),install-doc) install-datadir
- ifneq ($(TOOLS),)
- 	$(call install-prog,$(TOOLS),$(DESTDIR)$(bindir))
- endif

pkgs/build-support/vm/default.nix

···
 
   qemu = pkgs.qemu_kvm;
 
-  qemu-220 = lib.overrideDerivation pkgs.qemu_kvm (attrs: rec {
-    version = "2.2.0";
-    src = fetchurl {
-      url = "http://wiki.qemu.org/download/qemu-${version}.tar.bz2";
-      sha256 = "1703c3scl5n07gmpilg7g2xzyxnr7jczxgx6nn4m8kv9gin9p35n";
-    };
-    patches = [ ../../../nixos/modules/virtualisation/azure-qemu-220-no-etc-install.patch ];
-  });
-
-
   modulesClosure = makeModulesClosure {
     inherit kernel rootModules;
     firmware = kernel;