QmlJSDebugger: Remove unused toolbar

This got disabled ages ago, but we never cleaned up the sources.

Change-Id: I3d172708002627c29816a6dc1e68b19b15fda372
Reviewed-on: http://codereview.qt.nokia.com/2776


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Christiaan Janssen <christiaan.janssen@nokia.com>

share/qtcreator/qml/qmljsdebugger/editor/editor.qrc

-<RCC>
-    <qresource prefix="/qml">
-        <file>images/resize_handle.png</file>
-        <file>images/select.png</file>
-        <file>images/select-marquee.png</file>
-        <file>images/color-picker.png</file>
-        <file>images/play.png</file>
-        <file>images/pause.png</file>
-        <file>images/from-qml.png</file>
-        <file>images/to-qml.png</file>
-        <file>images/color-picker-hicontrast.png</file>
-        <file>images/zoom.png</file>
-        <file>images/color-picker-24.png</file>
-        <file>images/from-qml-24.png</file>
-        <file>images/pause-24.png</file>
-        <file>images/play-24.png</file>
-        <file>images/to-qml-24.png</file>
-        <file>images/zoom-24.png</file>
-        <file>images/select-24.png</file>
-        <file>images/select-marquee-24.png</file>
-        <file>images/inspectormode.png</file>
-        <file>images/inspectormode-24.png</file>
-    </qresource>
-</RCC>