Remove patch and use config file. am: 9aa887234f am: 7c49fca48b am: 9603682420 am: ffe606899b

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/smallvec/+/1723362

Change-Id: I748c83d5318809f959207717827487a9d85f60a4