Fix build breakage caused by r.android.com/162907

Change-Id: Ifeb7b57ce79f3d8c0edadf03d14853e72840d49e
diff --git a/libs/androidfw/ZipFileRO.cpp b/libs/androidfw/ZipFileRO.cpp
index 96eb649..49fe8a2 100644
--- a/libs/androidfw/ZipFileRO.cpp
+++ b/libs/androidfw/ZipFileRO.cpp
@@ -132,11 +132,6 @@
 
 bool ZipFileRO::startIteration(void** cookie, const char* prefix, const char* suffix)
 {
-  return startIteration(cookie, NULL, NULL);
-}
-
-bool ZipFileRO::startIteration(void** cookie, const char* prefix, const char* suffix)
-{
     _ZipEntryRO* ze = new _ZipEntryRO;
     ZipString pe(prefix ? prefix : "");
     ZipString se(suffix ? suffix : "");