[clang][NFC] Remove trailing whitespaces and enforce it in lib, include and docs
A lot of editors remove trailing whitespaces. This patch removes any trailing whitespaces and makes sure that no new ones are added.
Reviewed By: erichkeane, paulkirth, #libc, philnik
Spies: wangpc, aheejin, MaskRay, pcwang-thead, cfe-commits, libcxx-commits, dschuff, nemanjai, arichardson, kbarton, asb, rbar, johnrusso, simoncook, sabuasal, niosHD, jrtc27, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, PkmX, jocewei, Jim, s.egerton, sameer.abuasal, apazos, luismarques, martong, frasercrmck, steakhal, luke
Differential Revision: https://reviews.llvm.org/D151963
GitOrigin-RevId: f6d557ee34b6bbdb1dc32f29e34b4a4a8ad35e81
45 files changed
