Remove TTS headers from the NDK.

These APIs aren't actually implemented in the platform.

Test: make checkbuild
Bug: None
Change-Id: Ie086993e3c889d185afba84d04674c4f5d5f40b9
diff --git a/Android.bp b/Android.bp
deleted file mode 100644
index 2c9f87e..0000000
--- a/Android.bp
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright (C) 2016 The Android Open Source Project
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-ndk_headers {
-    name: "libtts_headers",
-    from: "pico/compat/jni",
-    to: "android",
-    srcs: ["pico/compat/jni/tts.h"],
-    license: "pico/compat/jni/NOTICE",