manifest.js in iqvoc-4.0.7

- old
+ new

@@ -1,6 +1,5 @@
 //= require iqvoc/iqvoc
-//= require iqvoc/extract_concepts
 //= require iqvoc/quicksearch
 //= require iqvoc/onebox
 //= require iqvoc/langselect
 //= require iqvoc/entityselect
 //= require iqvoc/entityselect_qualified