Fix error where panel wasn't displaying

app/panel/actions/PanelActions.js

@@ -105,7 +105,7 @@ export function closeNotification(data) {
 }
 
 /**
- * Called from Header.toggleExpert() and picked up by panel reducer
+ * Called from Header and Summary's toggleExpert() and picked up by panel reducer
  * @return {Object}
  */
 export function toggleExpert() {

app/panel/actions/SummaryActions.js

@@ -103,13 +103,3 @@ export function filterTrackers(data) {
 		data,
 	};
 }
-
-/**
- * Called from Summary.toggleExpert() and picked up by panel reducer
- * @return {Object}
- */
-export function toggleExpert() {
-	return {
-		type: TOGGLE_EXPERT,
-	};
-}