Remove deprecated file. am: fdcf7c8081 am: 01f835b48b am: dbc2bc8f92 am: 0c14525b6a am: 8bf72c7dc3

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/protobuf-codegen/+/1874613

Change-Id: I0a37682de04e8975a5e34a4d3747276967b14a44
diff --git a/README.android b/README.android
deleted file mode 100644
index a75eb35..0000000
--- a/README.android
+++ /dev/null
@@ -1,15 +0,0 @@
-Since we do not run build.rs during an Android build,
-we need to set up the version number in src/lib.rs
-until we have a smarter way to patch it based on new
-version number in Cargo.toml.
-
-To update this package, please make sure that the following code
-in src/lib.rs is up to data.
-
-        // Hack: hard code version number here because Android.bp
-        // rust modules cannot pass it though env variable yet.
-        w.write_generated_by("rust-protobuf", "2.16.2");
-
-If there are non-trivial changes in build.rs or src/lib.rs,
-please rerun cargo2android.py and verify the differences in
-Android.bp and src/lib.rs.