Remove some duplicate imports

Change-Id: If9f031184518e570fd624cf1d6c112aea025a5b4
diff --git a/polygerrit-ui/app/elements/core/gr-router/gr-router.ts b/polygerrit-ui/app/elements/core/gr-router/gr-router.ts
index 1e7f51d..46e972a 100644
--- a/polygerrit-ui/app/elements/core/gr-router/gr-router.ts
+++ b/polygerrit-ui/app/elements/core/gr-router/gr-router.ts
@@ -22,7 +22,6 @@
   PageNextCallback,
 } from '../../../utils/page-wrapper-utils';
 import {htmlTemplate} from './gr-router_html';
-import {encodeURL, getBaseUrl} from '../../../utils/url-util';
 import {
   DashboardSection,
   GeneratedWebLink,
@@ -68,7 +67,13 @@
 import {firePageError} from '../../../utils/event-util';
 import {addQuotesWhen} from '../../../utils/string-util';
 import {windowLocationReload} from '../../../utils/dom-util';
-import {toPath, toPathname, toSearchParams} from '../../../utils/url-util';
+import {
+  encodeURL,
+  getBaseUrl,
+  toPath,
+  toPathname,
+  toSearchParams,
+} from '../../../utils/url-util';
 
 const RoutePattern = {
   ROOT: '/',