Remove voe_auto_test cases for VoEFile.

BUG=webrtc:4690

Review-Url: https://codereview.webrtc.org/2786083004
Cr-Original-Commit-Position: refs/heads/master@{#17484}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: e6a8009417571bd904c74ba1eaabffa9323ce725
3 files changed