Removed extra 'pulling file' message.

Taking a zip bugreport has 2 phases: generating the bugreport and
pulling the file.

Initially adb was printing 2 messages, but since the latter is almost
instantaneously, it could be confusing to have 2 lines...

Fixes: 30451250
Change-Id: I1c6cc6163492c1fb6064667dfdb7aaf6ed4c4c6f
diff --git a/adb/bugreport.h b/adb/bugreport.h
index fd11a4a..ee99cbc 100644
--- a/adb/bugreport.h
+++ b/adb/bugreport.h
@@ -43,8 +43,7 @@
                             const char* name);
 
   private:
-    virtual void UpdateProgress(const std::string& file_name, int progress, int total,
-                                bool keep_info_line = false);
+    virtual void UpdateProgress(const std::string& file_name, int progress, int total);
     LinePrinter line_printer_;
     DISALLOW_COPY_AND_ASSIGN(Bugreport);
 };