QmlProfiler: Remove dead code

No need to keep properties around that aren't read anywhere.

Change-Id: Ie9300ad646466a6a2368f644a420d8654891805f
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

src/plugins/qmlprofiler/qml/MainView.qml

@@ -60,12 +60,6 @@ Rectangle {
 
     signal changeToolTip(string text)
 
-    property bool recordingEnabled: false
-    property bool appKilled : false
-
-    property date recordingStartDate
-    property real elapsedTime
-
     color: "#dcdcdc"
 
     // ***** connections with external objects
@@ -114,7 +108,6 @@ Rectangle {
 
     function clearData() {
         view.clearData();
-        appKilled = false;
         hideRangeDetails();
         selectionRangeMode = false;
         updateRangeButton();
@@ -128,7 +121,6 @@ Rectangle {
 
     function clearAll() {
         clearDisplay();
-        elapsedTime = 0;
     }
 
     function nextEvent() {
@@ -221,15 +213,6 @@ Rectangle {
         }
     }
 
-    onRecordingEnabledChanged: {
-        if (recordingEnabled) {
-            recordingStartDate = new Date();
-            elapsedTime = 0;
-        } else {
-            elapsedTime = (new Date() - recordingStartDate)/1000.0;
-        }
-    }
-
     Flickable {
         id: labelsflick
         flickableDirection: Flickable.VerticalFlick