@uppy/progress-bar: remove default target (#4971)

packages/@uppy/progress-bar/src/ProgressBar.tsx

@@ -13,7 +13,6 @@ export interface ProgressBarOptions extends UIPluginOptions {
 }
 // set default options, must kept in sync with @uppy/react/src/ProgressBar.js
 const defaultOptions = {
-  target: 'body',
   fixed: false,
   hideAfterFinish: true,
 }