remove protobuf dependency

Change-Id: I10bf90ba940bbde27d91df58056f4f558843f697
diff --git a/src/add-contact-panel.hpp b/src/add-contact-panel.hpp
index 5dd3de2..fe8f851 100644
--- a/src/add-contact-panel.hpp
+++ b/src/add-contact-panel.hpp
@@ -15,7 +15,7 @@
 #include <QTableWidgetItem>
 
 #ifndef Q_MOC_RUN
-#include "endorse-info.pb.h"
+#include "endorse-info.hpp"
 #endif
 
 namespace Ui {
@@ -36,7 +36,7 @@
 
 public slots:
   void
-  onContactEndorseInfoReady(const chronochat::EndorseInfo& endorseInfo);
+  onContactEndorseInfoReady(const EndorseInfo& endorseInfo);
 
 private slots:
   void