modify release notes

tool/release_notes/release_notes.json

diff --git a/tool/release_notes/release_notes.json b/tool/release_notes/release_notes.json
index 7eb9acb..e087190 100644
--- a/tool/release_notes/release_notes.json
+++ b/tool/release_notes/release_notes.json
@@ -12,13 +12,6 @@
       "notes": [
         {
           "githubPullRequestUrls": [
-            "https://githubcom/prurl"
-          ],
-          "message": "Auto scrolling behavior improved when snapping to a widget into focus",
-          "imageNames": null
-        },
-        {
-          "githubPullRequestUrls": [
             "https://github.com/flutter/devtools/pull/4283"
           ],
           "message": "Auto scrolling behavior improved when snapping to a widget into focus",