greybus: module versions: remove them

We removed the module version from the spec, so remove them from the
code as well.  It's still in the manifest as we need to sync with gbsim
/ firmware when we do that, which will happen sometime in the next
weeks.
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/staging/greybus/manifest.c

@@ -273,7 +273,6 @@ static bool gb_manifest_parse_module(struct gb_module *gmod,
 
 	gmod->vendor = le16_to_cpu(desc_module->vendor);
 	gmod->product = le16_to_cpu(desc_module->product);
-	gmod->version = le16_to_cpu(desc_module->version);
 	gmod->unique_id = le64_to_cpu(desc_module->unique_id);
 
 	/* Release the module descriptor, now that we're done with it */

drivers/staging/greybus/module.h

@@ -23,7 +23,6 @@ struct gb_module {
 	/* Information taken from the manifest module descriptor */
 	u16 vendor;
 	u16 product;
-	u16 version;
 	char *vendor_string;
 	char *product_string;
 	u64 unique_id;

drivers/staging/greybus/sysfs.c

@@ -32,7 +32,6 @@ static DEVICE_ATTR_RO(module_##field)
 
 gb_module_attr(vendor, x);
 gb_module_attr(product, x);
-gb_module_attr(version, x);
 gb_module_attr(unique_id, llX);
 gb_module_attr(vendor_string, s);
 gb_module_attr(product_string, s);
@@ -40,7 +39,6 @@ gb_module_attr(product_string, s);
 static struct attribute *module_attrs[] = {
 	&dev_attr_module_vendor.attr,
 	&dev_attr_module_product.attr,
-	&dev_attr_module_version.attr,
 	&dev_attr_module_unique_id.attr,
 	&dev_attr_module_vendor_string.attr,
 	&dev_attr_module_product_string.attr,