Remove deny_warnings attribute am: 06ad3b4d67 am: f378ee9ece am: 4952b54f7a am: 596c423199

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/clap/+/1352861

Change-Id: Ib5e26d14103be2f35584522a0c39326412b2d72b
diff --git a/Android.bp b/Android.bp
index 442337d..c5a61b4 100644
--- a/Android.bp
+++ b/Android.bp
@@ -2,7 +2,6 @@
 
 rust_library_host_rlib {
     name: "libclap",
-    deny_warnings: false,
     crate_name: "clap",
     srcs: ["src/lib.rs"],
     edition: "2015",