android_webview: Remove unneeded RegisterNatives() calls

android_webview/native/input_stream_impl.cc

Index: android_webview/native/input_stream_impl.cc
diff --git a/android_webview/native/input_stream_impl.cc b/android_webview/native/input_stream_impl.cc
index 55f40db236b3b2fe20bdec79f1d7216255ef884c..0adbaabb225f401c1e8f34ba65b7c695497f21a9 100644
--- a/android_webview/native/input_stream_impl.cc
+++ b/android_webview/native/input_stream_impl.cc
@@ -27,10 +27,6 @@ const int kExceptionThrownStatusCode = -2;
 
 }
 
-bool RegisterInputStream(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
 // Maximum number of bytes to be read in a single read.
 const int InputStreamImpl::kBufferSize = 4096;