bazel: remove BoringSSL workaround #471
Description
After https://boringssl-review.googlesource.com/c/boringssl/+/37804 is merged upstream and part of master-with-bazel, we can update BoringSSL in envoy, and then revert #470
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After https://boringssl-review.googlesource.com/c/boringssl/+/37804 is merged upstream and part of master-with-bazel, we can update BoringSSL in envoy, and then revert #470