Remove redundant subscription

We have two identical subscriptions in gr-diff-view. Let's remove one
of them.

Release-Notes: skip
Change-Id: I48b50dcf6bee839a7b75a91b7b582b69efa3ae9f
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view.ts b/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view.ts
index 444359c..7f38c79 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view.ts
+++ b/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view.ts
@@ -442,7 +442,6 @@
       () => this.getChangeModel().diffPath$,
       path => (this.path = path)
     );
-
     subscribe(
       this,
       () =>
@@ -486,11 +485,6 @@
         this.setReviewedStatus(patchNum!, diffPrefs);
       }
     );
-    subscribe(
-      this,
-      () => this.getChangeModel().diffPath$,
-      path => (this.path = path)
-    );
   }
 
   static override get styles() {