fix linter changelog entry

Linter 0.1.80 does not actually include the fixes to `prefer_collection_literals`.

Change-Id: I4956c43ecea4f8ec8ca4a1a8d7e8de9b07ff815c
Reviewed-on: https://dart-review.googlesource.com/c/92538
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Commit-Queue: Phil Quitslund <pquitslund@google.com>
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3417495..db403a0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -76,7 +76,6 @@
 
 The linter was bumped to `0.1.80` which introduces the following linter improvements to the SDK:
 
-* `prefer_collection_literals` updated to support Set literals
 * `unnecessary_parenthesis` updated to play nicer with cascades
 * new lint: `use_full_hex_values_for_flutter_colors`
 * new lint: `prefer_null_aware_operators`