refactor(map): remove unused base-layers file

Author: landonreed

Diff for: lib/components/map/base-layers.js

@@ -14,7 +14,6 @@ import SwitchButton from './components/form/switch-button'
 
 import LocationIcon from './components/icons/location-icon'
 
-import BaseLayers from './components/map/base-layers'
 import BaseMap from './components/map/base-map'
 import DefaultMap from './components/map/default-map'
 import EndpointsOverlay from './components/map/endpoints-overlay'
@@ -78,7 +77,6 @@ export {
   SwitchButton,
 
   // map components
-  BaseLayers,
   BaseMap,
   DefaultMap,
   EndpointsOverlay,