Remove dependency on comment-util from events.ts

Google-bug-id: b/260980834
Release-Notes: skip
Change-Id: I2d0fc5ee0bb099c857e942244e8f9208696f3ba4

polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts

diff --git a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
index f7e8edd..25bb069 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
+++ b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
@@ -21,6 +21,7 @@
 import {GrTextarea} from '../gr-textarea/gr-textarea';
 import {
   AccountDetailInfo,
+  DraftInfo,
   NumericChangeId,
   RepoName,
   RobotCommentInfo,
@@ -29,7 +30,6 @@
 import {
   Comment,
   createUserFixSuggestion,
-  DraftInfo,
   getContentInCommentRange,
   getUserSuggestion,
   hasUserSuggestion,