Fix lint error

src/lib/vm-listener-hoc.jsx

@@ -5,7 +5,7 @@ import VM from 'scratch-vm';
 
 import {connect} from 'react-redux';
 
-import {updateEditingTarget, updateTargets} from '../reducers/targets';
+import {updateTargets} from '../reducers/targets';
 import {updateBlockDrag} from '../reducers/block-drag';
 import {updateMonitors} from '../reducers/monitors';