fileSource string is unused

packages/@uppy/dashboard/src/index.js

@@ -59,7 +59,6 @@ module.exports = class Dashboard extends UIPlugin {
         copyLinkToClipboardSuccess: 'Link copied to clipboard',
         copyLinkToClipboardFallback: 'Copy the URL below',
         copyLink: 'Copy link',
-        fileSource: 'File source: %{name}',
         back: 'Back',
         addMore: 'Add more',
         removeFile: 'Remove file',

packages/@uppy/locales/src/en_US.js

@@ -57,7 +57,6 @@ en_US.strings = {
   exceedsSize: '%{file} exceeds maximum allowed size of %{size}',
   failedToFetch: 'Companion failed to fetch this URL, please make sure it’s correct',
   failedToUpload: 'Failed to upload %{file}',
-  fileSource: 'File source: %{name}',
   filesUploadedOfTotal: {
     '0': '%{complete} of %{smart_count} file uploaded',
     '1': '%{complete} of %{smart_count} files uploaded',