Fixed comment

Author: suztomo

.github/CODEOWNERS

@@ -6,5 +6,4 @@
 # @googleapis/cloud-java-team-teamsync are the default owners for changes in this repo
 *                       @googleapis/cloud-java-team-teamsync
 
-# @googleapis/cloud-java-team-teamsync are the default owners for samples changes
 samples/**/*.java       @googleapis/java-samples-reviewers