tests/qemuxml2argvtest: remove unnecessary machine canonicalization

This is not required to run our tests.
Signed-off-by: NPavel Hrdina <phrdina@redhat.com>

tests/qemuxml2argvdata/qemuxml2argv-cputune-numatune.args

@@ -7,7 +7,7 @@ QEMU_AUDIO_DRV=none \
 /usr/bin/qemu-system-x86_64 \
 -name dummy2 \
 -S \
--M pc-0.11 \
+-M pc \
 -m 128 \
 -smp 2,maxcpus=6,sockets=6,cores=1,threads=1 \
 -object iothread,id=iothread1 \

tests/qemuxml2argvdata/qemuxml2argv-machine-aliases1.args

@@ -7,7 +7,7 @@ QEMU_AUDIO_DRV=none \
 /usr/bin/qemu-system-x86_64 \
 -name QEMUGuest1 \
 -S \
--M pc-0.11 \
+-M pc \
 -m 214 \
 -smp 1,sockets=1,cores=1,threads=1 \
 -uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \

tests/qemuxml2argvtest.c

@@ -474,13 +474,6 @@ testCompareXMLToArgv(const void *data)
     if (qemuProcessPrepareMonitorChr(&monitor_chr, priv->libDir) < 0)
         goto cleanup;
 
-    if (STREQ(vm->def->os.machine, "pc") &&
-        STREQ(vm->def->emulator, "/usr/bin/qemu-system-x86_64")) {
-        VIR_FREE(vm->def->os.machine);
-        if (VIR_STRDUP(vm->def->os.machine, "pc-0.11") < 0)
-            goto cleanup;
-    }
-
     if (testUpdateQEMUCaps(info, vm, driver.caps) < 0)
         goto cleanup;