Remove Piwik support (#8835)

* Remove all mentions of Piwik

* Kill off all consumer of the old Piwik Analytics module

* Simplify ModalManager interface

* i18n

* Attempt to fix old e2e tests

* Remove unused component

* Iterate PR

src/components/views/dialogs/BugReportDialog.tsx

@@ -110,8 +110,7 @@ export default class BugReportDialog extends React.Component<IProps, IState> {
         }).then(() => {
             if (!this.unmounted) {
                 this.props.onFinished(false);
-                // N.B. first param is passed to piwik and so doesn't want i18n
-                Modal.createTrackedDialog('Bug report sent', '', QuestionDialog, {
+                Modal.createDialog(QuestionDialog, {
                     title: _t('Logs sent'),
                     description: _t('Thank you!'),
                     hasCancelButton: false,