update_engine: remove temporary estimation am: 018bcd79f1

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2954478

Change-Id: Ica40f583f1f3592de3fb094371361aa72b936b34
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/payload_generator/cow_size_estimator.cc b/payload_generator/cow_size_estimator.cc
index eb84d45..4be7ea2 100644
--- a/payload_generator/cow_size_estimator.cc
+++ b/payload_generator/cow_size_estimator.cc
@@ -203,9 +203,6 @@
       .compression = std::move(compression),
       .max_blocks = (partition_size / block_size),
       .compression_factor = compression_factor};
-  // b/322279333 use 4096 as estimation until we have an updated estimation
-  // algorithm
-  options.compression_factor = block_size;
   auto cow_writer = CreateCowEstimator(cow_version, options);
   CHECK_NE(cow_writer, nullptr) << "Could not create cow estimator";
   CHECK(CowDryRun(source_fd,