Revert "[build] ensure rbe execution runs exclusive-if-local tests in parallel"

This reverts commit ca2b2670dd8aafd9f2bd5ef161223f2311f637f5.

.bazelrc.remote

diff --git a/.bazelrc.remote b/.bazelrc.remote
index 5dc4e57..0a93b16 100644
--- a/.bazelrc.remote
+++ b/.bazelrc.remote
@@ -11,7 +11,7 @@
 build:rbe --experimental_inmemory_dotd_files
 build:rbe --experimental_inmemory_jdeps_files
 build:rbe --remote_timeout=3600
-build:rbe --spawn_strategy=remote
+build:rbe --spawn_strategy=remote,local
 #build:rbe --nolegacy_important_outputs
 build:rbe --incompatible_strict_action_env=true