Remove pinnedNotes from Folder

browser/main/NoteList/index.js

@@ -293,8 +293,8 @@ class NoteList extends React.Component {
 
     let folder = _.find(storage.folders, {key: folderKey})
     if (folder === undefined) return unorderedNotes
-    const pinnedNotes = unorderedNotes.filter((el) => {
-      return el.isPinned
+    const pinnedNotes = unorderedNotes.filter((note) => {
+      return note.isPinned
     })
 
     return pinnedNotes.concat(unorderedNotes)

browser/main/lib/dataApi/createFolder.js

@@ -44,8 +44,7 @@ function createFolder (storageKey, input) {
       let newFolder = {
         key,
         color: input.color,
-        name: input.name,
-        pinnedNotes: []
+        name: input.name
       }
 
       storage.folders.push(newFolder)

browser/main/lib/dataApi/updateFolder.js

@@ -45,11 +45,6 @@ function updateFolder (storageKey, folderKey, input) {
       targetFolder.name = input.name
       targetFolder.color = input.color
       // For compativility
-      if (targetFolder.pinnedNotes) {
-        targetFolder.pinnedNotes.push(input.pinnedNote)
-      } else {
-        targetFolder.pinnedNotes = [input.pinnedNote]
-      }
 
       CSON.writeFileSync(path.join(storage.path, 'boostnote.json'), _.pick(storage, ['folders', 'version']))