qemu: Remove the extra parameters field from the Config structure

The extraParams is confusing and can conflict with the rest of the
Config structure definitions.
We remove it and will add new fields to that structure as needed.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

qemu.go

@@ -175,12 +175,15 @@ type Config struct {
 	// Name is the qemu guest name
 	Name string
 
-	// Machine
-	Machine Machine
+	// UUID is the qemu process UUID.
+	UUID string
 
 	// CPUModel is the CPU model to be used by qemu.
 	CPUModel string
 
+	// Machine
+	Machine Machine
+
 	// QMPSocket is the QMP socket description.
 	QMPSocket QMPSocket
 
@@ -202,9 +205,6 @@ type Config struct {
 	// VGA is the qemu VGA mode.
 	VGA string
 
-	// UUID is the qemu process UUID.
-	UUID string
-
 	// Kernel is the guest kernel configuration.
 	Kernel Kernel
 
@@ -217,9 +217,6 @@ type Config struct {
 	// GlobalParam is the -global parameter
 	GlobalParam string
 
-	// ExtraParams is a slice of options to pass to qemu.
-	ExtraParams []string
-
 	// FDs is a list of open file descriptors to be passed to the spawned qemu process
 	FDs []*os.File
 }
@@ -513,8 +510,6 @@ func LaunchQemu(config Config, logger QMPLog) (string, error) {
 	params = appendGlobalParam(params, config)
 	params = appendVGA(params, config)
 
-	params = append(params, config.ExtraParams...)
-
 	return LaunchCustomQemu(config.Ctx, config.Path, params, config.FDs, logger)
 }