Hide staves as they seem to overload dawn

compact/ecal_barrel.xml

@@ -64,12 +64,12 @@
       <dimensions numsides="EcalBarrel_ModRepeat" 
         rmin="EcalBarrel_rmin" 
         z="EcalBarrel_length"/>
-      <staves vis="EcalBarrelStave_vis">
+      <!--staves vis="EcalBarrelStave_vis">
         <support inside="true"  material="Aluminum" vis="AnlOrange"
           thickness="EcalBarrel_Support_thickness"
           n_beams="3" grid_size="25.0*cm" >
         </support>
-      </staves>
+      </staves-->
       <layer repeat="EcalBarrel_ReadoutLayerNumber" vis="AnlBlue">
         <slice material="Silicon" thickness="EcalBarrel_SiliconThickness" sensitive="yes" limits="cal_limits" vis="AnlGray"/>
         <slice material="Silicon" thickness="EcalBarrel_ElectronicsThickness" vis="AnlGold"/>