Remove unused ANGLE histograms This CL removes the following histograms: GPU.ANGLE.D3DCompileMS GPU.ANGLE.DisplayInitializeMS GPU.ANGLE.ProgramCache.CacheResult GPU.ANGLE.ProgramCache.LoadBinarySuccess GPU.ANGLE.ProgramCache.ProgramBinarySizeBytes Bug: chromium:1317194 Change-Id: Iad01cff591df83c015bc79fe4e7b7c094357f02a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3807767 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>