video call: remove unused video config button bindings

Change-Id: I03de081748cf9342b887503e178360c02dcf154d
diff --git a/videooverlay.cpp b/videooverlay.cpp
index 80545b4..6e44463 100644
--- a/videooverlay.cpp
+++ b/videooverlay.cpp
@@ -189,8 +189,3 @@
         callModel->toggleAudioRecord(callId);
     }
 }
-
-void VideoOverlay::on_videoCfgBtn_clicked()
-{
-    emit videoCfgBtnClicked();
-}
diff --git a/videooverlay.h b/videooverlay.h
index c44964c..2bed530 100644
--- a/videooverlay.h
+++ b/videooverlay.h
@@ -53,7 +53,6 @@
     void on_noMicButton_clicked();
     void on_noVideoButton_clicked();
     void on_recButton_clicked();
-    void on_videoCfgBtn_clicked();
 
 private:
     Ui::VideoOverlay* ui;
@@ -63,5 +62,4 @@
 
 signals:
     void setChatVisibility(bool visible);
-    void videoCfgBtnClicked();
 };
diff --git a/videoview.cpp b/videoview.cpp
index ab8b589..d895564 100644
--- a/videoview.cpp
+++ b/videoview.cpp
@@ -66,7 +66,6 @@
     connect(overlay_, &VideoOverlay::setChatVisibility, [=](bool visible) {
         emit this->setChatVisibility(visible);
     });
-    connect(overlay_, &VideoOverlay::videoCfgBtnClicked, [=](){emit videoSettingsClicked();});
 
 }