Remove console.logs

Using console in production is generally undesirable due to
performance loss and security concerns. Errors were changed
to console.error and console.logs were removed.

browser/main/lib/dataApi/resolveStorageNotes.js

@@ -9,7 +9,6 @@ function resolveStorageNotes (storage) {
     notePathList = sander.readdirSync(notesDirPath)
   } catch (err) {
     if (err.code === 'ENOENT') {
-      console.log(notesDirPath, ' doesn\'t exist.')
       sander.mkdirSync(notesDirPath)
     } else {
       console.warn('Failed to find note dir', notesDirPath, err)