tree 6f99632ed0ec9e734eae39d1ab4dba5688122567
parent 58f203aa69528ea5b1e05e503fa0c3f5354e45a5
author Éamonn McManus <emcmanus@google.com> 1731456494 -0800
committer Éamonn McManus <emcmanus@google.com> 1731456494 -0800

Use Guava's `MoreFiles` for recursive deletion.

The Apache `FileUtils.deleteDirectory` has historically been unstable.
Most recently,
https://issues.apache.org/jira/projects/IO/issues/IO-862
causes `SymlinkValidatorTest` to fail at HEAD.

Change-Id: Id783a2b9fdd67608d72bdd3b6fbf03ccd4cbe425