Removed -cpu host from KVM detection

Makefile

@@ -13,7 +13,6 @@ all:
 
 	tar xf libguestfs-1.42.0.tar.gz
 	patch -Np1 -d libguestfs-1.42.0 < libguestfs-1.42.0-certo.patch
-	patch -Np1 -d libguestfs-1.42.0 < libguestfs-1.42.0-cpu_host.patch
 	patch -Np1 -d libguestfs-1.42.0 < libguestfs-1.42.0-mlv2v.patch
 	cd libguestfs-1.42.0 && ./configure --prefix=/usr --with-extra-packages="glibc readline ncurses util-linux xz pcre zlib systemd iproute2 libcap jansson augeas hivex libtirpc parted mdadm libaio cryptsetup popt openssl json-c cdrkit gptfdisk gcc"
 	$(MAKE) -C libguestfs-1.42.0

libguestfs-1.42.0-cpu_host.patch

-diff -uNr libguestfs-1.42.0/lib/qemu.c libguestfs-1.42.0-cpu_host/lib/qemu.c
---- libguestfs-1.42.0/lib/qemu.c	2020-03-06 19:31:08.173077897 +0000
-+++ libguestfs-1.42.0-cpu_host/lib/qemu.c	2020-06-19 15:26:17.305478459 +0000
-@@ -576,6 +576,7 @@
- #endif
-                                      "accel=kvm:tcg");
-   guestfs_int_cmd_add_string_unquoted (cmd, " -qmp stdio");
-+  guestfs_int_cmd_add_string_unquoted (cmd, " -cpu host");
-   guestfs_int_cmd_clear_capture_errors (cmd);
- 
-   fd = guestfs_int_cmd_pipe_run (cmd, "r");