api/controller/test: Remove deprecated blacklist fields.

BUG=b:187793339
TEST=./run_tests

Cq-Depend: chromium:3002182
Change-Id: I70303004bfbfa129fe887e11e11b92ab1a0a58f0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3002083
Commit-Queue: Alex Klein <saklein@chromium.org>
Commit-Queue: Sergey Frolov <sfrolov@google.com>
Tested-by: Alex Klein <saklein@chromium.org>
Auto-Submit: Alex Klein <saklein@chromium.org>
Reviewed-by: Sergey Frolov <sfrolov@google.com>
diff --git a/api/controller/test.py b/api/controller/test.py
index 1103d1a..01ad917 100644
--- a/api/controller/test.py
+++ b/api/controller/test.py
@@ -99,9 +99,7 @@
     packages.append(cpv.cp)
 
   # Skipped tests.
-  # TODO: Remove blacklist when we fully switch to blocklist.
-  blocklisted_package_info = (
-      input_proto.package_blacklist or input_proto.package_blocklist)
+  blocklisted_package_info = input_proto.package_blocklist
   blocklist = []
   for package_info_msg in blocklisted_package_info:
     blocklist.append(controller_util.PackageInfoToString(package_info_msg))