Merge pull request kubernetes#77335 from loqutus/remove-test-cauldron

remove soak test cauldron

Author: k8s-ci-robot

test/BUILD

@@ -21,7 +21,6 @@ filegroup(
         "//test/integration:all-srcs",
         "//test/kubemark:all-srcs",
         "//test/list:all-srcs",
-        "//test/soak/cauldron:all-srcs",
         "//test/soak/serve_hostnames:all-srcs",
         "//test/typecheck:all-srcs",
         "//test/utils:all-srcs",