tree daec4487f2c7d10e18c2db474bdb31eb35af93b0
parent 1e2c5e6f40cceb883fd8dbe49acdf3fad6f12cfc
author Googler <noreply@google.com> 1593447632 -0700
committer Copybara-Service <copybara-worker@google.com> 1593447695 -0700

Remove unnecessary ThreadSafeBatchCallback interface.

Its superinterface, BatchCallback, is already annotated @ThreadSafe.

PiperOrigin-RevId: 318828127