update_engine: Deprecate major version 1
We have moved away from major version 1 in Chrome OS and already have a
stepping stone for it in M53. So this cleanup makes the code much easier
to understand.
BUG=chromium:1008553
TEST=FEATURES="test" sudo emerge update_engine update_payload
TEST=cros_generate_update_payload --image chromiumos_test_image.bin --check --output delta.bin
Change-Id: I01815dfa5fdf395f8214ef162e01ecca2d42f7fc
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/system/update_engine/+/1857459
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Sen Jiang <senj@chromium.org>
Commit-Queue: Amin Hassani <ahassani@chromium.org>
diff --git a/payload_consumer/payload_constants.h b/payload_consumer/payload_constants.h
index fe823f4..888fa2a 100644
--- a/payload_consumer/payload_constants.h
+++ b/payload_consumer/payload_constants.h
@@ -26,7 +26,7 @@
namespace chromeos_update_engine {
// The major version used by Chrome OS.
-extern const uint64_t kChromeOSMajorPayloadVersion;
+// extern const uint64_t kChromeOSMajorPayloadVersion; DEPRECATED
// The major version used by Brillo.
extern const uint64_t kBrilloMajorPayloadVersion;