remove bold from editor

app/components/SimpleEditor/config.js

@@ -10,7 +10,7 @@ import {
   PersistencePackage,
   ProseArticle,
   SpellCheckPackage,
-  StrongPackage,
+  // StrongPackage,
   SubscriptPackage,
   SuperscriptPackage
 } from 'substance'
@@ -25,7 +25,7 @@ import NotePackage from './elements/note/NotePackage'
 import SourceNotePackage from './elements/source_note/SourceNotePackage'
 import TrackChangePackage from './elements/track_change/TrackChangePackage'
 
-let config = {
+const config = {
   name: 'simple-editor',
   configure: (config, options) => {
     config.defineSchema({
@@ -41,7 +41,7 @@ let config = {
     config.import(ParagraphPackage)
     config.import(HeadingPackage)
     config.import(EmphasisPackage)
-    config.import(StrongPackage)
+    // config.import(StrongPackage)
     config.import(SubscriptPackage)
     config.import(SuperscriptPackage)
     config.import(CodePackage)