Remove toStringArray16, which is now unused.

Bug: 10492721
Change-Id: I2c1dcc48d1cba20e9abc163d88effac144a1de34
diff --git a/include/nativehelper/toStringArray.h b/include/nativehelper/toStringArray.h
index edd5f26..55fae2c 100644
--- a/include/nativehelper/toStringArray.h
+++ b/include/nativehelper/toStringArray.h
@@ -45,28 +45,6 @@
     return result;
 }
 
-template <typename Counter, typename Getter>
-jobjectArray toStringArray16(JNIEnv* env, Counter* counter, Getter* getter) {
-    size_t count = (*counter)();
-    jobjectArray result = newStringArray(env, count);
-    if (result == NULL) {
-        return NULL;
-    }
-    for (size_t i = 0; i < count; ++i) {
-        int32_t charCount;
-        const jchar* chars = (*getter)(&charCount);
-        ScopedLocalRef<jstring> s(env, env->NewString(chars, charCount));
-        if (env->ExceptionCheck()) {
-            return NULL;
-        }
-        env->SetObjectArrayElement(result, i, s.get());
-        if (env->ExceptionCheck()) {
-            return NULL;
-        }
-    }
-    return result;
-}
-
 JNIEXPORT jobjectArray toStringArray(JNIEnv* env, const std::vector<std::string>& strings);
 JNIEXPORT jobjectArray toStringArray(JNIEnv* env, const char* const* strings);