libbinder: remove setConstantData

Unreferenced/unimplemented.

Bug: N/A
Test: N/A
Change-Id: I778ec7a3f7f8be92e7b8315d0a5223218e71e119
diff --git a/libs/binder/include/binder/BpBinder.h b/libs/binder/include/binder/BpBinder.h
index 1d4f881..78f2e1d 100644
--- a/libs/binder/include/binder/BpBinder.h
+++ b/libs/binder/include/binder/BpBinder.h
@@ -67,7 +67,6 @@
 
     virtual BpBinder*   remoteBinder();
 
-            status_t    setConstantData(const void* data, size_t size);
             void        sendObituary();
 
     static uint32_t     getBinderProxyCount(uint32_t uid);