Back out selector update

Author: Aaron Caldwell

x-pack/plugins/maps/public/selectors/map_selectors.ts

@@ -340,9 +340,8 @@ export const isLoadingPreviewLayers = createSelector(getLayerList, (layerList) =
   });
 });
 
-let mapColorsArr = [];
-export const getMapColors = createSelector(getLayerListRaw, (layerList) => {
-  const newColorsArr = layerList
+export const getMapColors = createSelector(getLayerListRaw, (layerList) =>
+  layerList
     .filter((layerDescriptor) => {
       return !layerDescriptor.__isPreviewLayer;
     })
@@ -353,12 +352,8 @@ export const getMapColors = createSelector(getLayerListRaw, (layerList) => {
       );
       if (color) accu.push(color);
       return accu;
-    }, []);
-  if (!_.isEqual(mapColorsArr, newColorsArr)) {
-    mapColorsArr = newColorsArr;
-  }
-  return mapColorsArr;
-});
+    }, [])
+);
 
 export const getSelectedLayerJoinDescriptors = createSelector(getSelectedLayer, (selectedLayer) => {
   if (!selectedLayer || !('getJoins' in selectedLayer)) {