removed warnings created in geo deivice locations dashboard

components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.geo-devices/geo-devices.hbs

@@ -24,8 +24,6 @@
     {{css  "css/MarkerCluster.Default.css" combine=false}}
     {{css  "css/leaflet_fullscreen/leaflet.fullscreen.css" combine=false}}
     {{css  "css/leaflet/leaflet.draw.css" combine=false}}
-    {{css  "css/d3/c3.css" combine=false}}
-    {{css  "css/bootstrap-datepicker.min.css" combine=false}}
     {{css "css/leaflet.awesome-markers.css" combine=false}}
 {{/zone}}