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/attachmentManagement.js

@@ -402,7 +402,6 @@ function handleAttachmentLinkPaste (storageKey, noteKey, linkText) {
       return modifiedLinkText
     })
   } else {
-    console.log('One if the parameters was null -> Do nothing..')
     return Promise.resolve(linkText)
   }
 }