The mouse_cursor_monitor_unittest.cc was disabled on all platforms, so
it can be deleted.
Bug: webrtc:3408
Change-Id: I294bc502993a5b0a369a60a751c72f72ec909dfc
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/291724
Reviewed-by: Alexander Cooper <alcooper@chromium.org>
Commit-Queue: Mark Foltz <mfoltz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#39239}