[errorprone] Remove unused PostTaskTest#cfg

See https://errorprone.info/bugpattern/UnusedVariable

Release-Notes: skip
Change-Id: I2a7c788bbc8386c53d662672d56064fb0bda5e42
1 file changed
tree: 3237716c0b1989c806565b67ef4e4a6a25a638a5
  1. src/
  2. BUILD
  3. LICENSE