Update Cargo.toml after the cfg rename

Otherwise we get a bunch of warnings:

> unexpected cfg condition name: bindgen_rs_file

While I'm here, drop the authors field. It's no longer accurate as we've
significantly reworked this from Android's original contribution. We
could list the current maintainers, but that's redundant with the git
repo, and bssl-crypto omits it, so let's just omit it.

Change-Id: Ia1b60f1dfa4f4626b5fe2562f35a14ea0ce3aef5
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/72627
Auto-Submit: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Bob Beck <bbe@google.com>
Reviewed-by: Bob Beck <bbe@google.com>

rust/bssl-sys/Cargo.toml

diff --git a/rust/bssl-sys/Cargo.toml b/rust/bssl-sys/Cargo.toml
index 7e863da..bf490e4 100644
--- a/rust/bssl-sys/Cargo.toml
+++ b/rust/bssl-sys/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "bssl-sys"
 version = "0.1.0"
-authors = ["Benjamin Brittain <bwb@google.com>"]
 edition = "2018"
 publish = false
 license = "ISC"
@@ -11,4 +10,4 @@
 links = "bssl"
 
 [lints.rust]
-unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unsupported_inline_wrappers)', 'cfg(soong)'] }
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unsupported_inline_wrappers)', 'cfg(bindgen_rs_file)'] }