message: Monitoring: Remove unnecessary check for Silence state "inactive"
  Silences never have the state "inactive", so this check was redundant.
diff: @@ -133,9 +133,6 @@ const AlertState: React.SFC<StateProps> = ({state}) => {
  const SilenceState = ({silence}) => {
  const state = silenceState(silence);
  - if (state === 'inactive') {
  - return <span className="text-muted">{_.startCase(state)}</span>;
  - }
  const stateToIconClassName = {
  active: 'fa fa-check-circle-o silence-active',
  pending: 'fa fa-hourglass-half silence-pending',
  