After landing https://webrtc-review.googlesource.com/76720 and https://webrtc-review.googlesource.com/76722 it is possible to remove clang-cl only warning suppression flags. These were needed because winsdk_samples was included using include_dirs (-I) instead of -imsvc (which is similar to -isystem in GCC and clang). Bug: webrtc:9251 Change-Id: I2bc19f0ba552342c49a29c07e4fb84d439003dfb Reviewed-on: https://webrtc-review.googlesource.com/76781 Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#23252}