Update prettier to latest. Remove tslint (#1641)

* Rev up prettier

* Reformat

* Remove deprecated tslint

* Remove call to tslint and update package-lock.json

src/Explorer/Panes/DeleteDatabaseConfirmationPanel.test.tsx

@@ -96,7 +96,7 @@ describe("Delete Database Confirmation Pane", () => {
       "testDatabaseAccountId",
       "testDatabaseAccountName",
       ApiKind.SQL,
-      feedbackText
+      feedbackText,
     );
     await new Promise((resolve) => setTimeout(resolve, 0));
     expect(TelemetryProcessor.trace).toHaveBeenCalledWith(Action.DeleteDatabase, ActionModifiers.Mark, {