OLMIS-1215: Removed hardcoded measurements from scss files in common directory
OLMIS-1215: Removed hardcoded measurements from scss files in common directory

Also removed unused scss styles.

OpenLMIS/openlmis-requisition-ui,OpenLMIS/openlmis-requisition-ui,OpenLMIS/openlmis-ui-components,OpenLMIS/openlmis-requisition-ui,OpenLMIS/openlmis-requisition-refUI,OpenLMIS/openlmis-requisition-refUI,OpenLMIS/openlmis-ui-components,OpenLMIS/openlmis-requisition-refUI,OpenLMIS/openlmis-ui-components