This CL removes kNumMicrosecsPerSec and kNumMillisecsPerSec from
modules/audio_device/win/core_audio_utility_win.h.
kNumMillisecsPerSec was unused, while kNumMicrosecsPerSec has been
replaced by rtc::kNumMicrosecsPerSec.
Bug: webrtc:9693
Change-Id: I560aa9dad2bfb94a9bf67d3b9941700f1948086b
Reviewed-on: https://webrtc-review.googlesource.com/102860
Reviewed-by: Henrik Andreassson <henrika@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24906}