import com.atlassian.jira.component.ComponentAccessor

def schemeManager = ComponentAccessor.workflowSchemeManager
def sb = new StringBuffer()

def schemes = schemeManager.getAssignableSchemes()
    if(schemes != null) {
    	schemes.each {
            if (schemeManager.isActive(it)) {
				sb.append("|||||| Skipping active wf scheme: ${it.name} \n")
            } else {
                try {
                  schemeManager.deleteWorkflowScheme(it);
	          sb.append("|||||| REMOVED wf scheme: ${it.name} \n")
                } catch (RuntimeException e) {  // EDIT --- Should be Exception, RuntimeException
                  sb.append("|||||| FAILED to remove wf scheme: ${it.name} \n")
		}
		  
            }
        }
    }

return sb.toString()