Remove deny_warnings attribute am: 021dc75f2f am: 1bff1d5880

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/log/+/1353763

Change-Id: Ibbc975bf174214ad066935a648478ea2f33c7059
diff --git a/Android.bp b/Android.bp
index 2c9d94a..4108507 100644
--- a/Android.bp
+++ b/Android.bp
@@ -3,7 +3,6 @@
 rust_library_host_rlib {
     name: "liblog_rust",
     stem: "liblog",
-    deny_warnings: false,
     crate_name: "log",
     srcs: ["src/lib.rs"],
     edition: "2015",