Merge "Remove CONTRIBUTING.md" am: 8f773c2103 am: 850761c661 am: ebb61a2708 am: 2b7033bfad

Original change: https://android-review.googlesource.com/c/platform/external/libcppbor/+/1670288

Change-Id: I2d99ac9078b1418564078baecd55cc1af09cca46