auto_review_pr.rb: Remove an unused variable

Follow-up: https://github.com/ruby/ruby/pull/15116

1 files changed, 0 insertions, 2 deletions

diff --git a/tool/auto_review_pr.rb b/tool/auto_review_pr.rb
index a3494e4c1a..f434a4f92a 100755
--- a/tool/auto_review_pr.rb
+++ b/tool/auto_review_pr.rb
@@ -42,8 +42,6 @@ class AutoReviewPR
   end
 
   def review(pr_number)
-    comment_body = "Please file a pull request to ruby/foo instead."
-
     # Fetch the list of files changed by the PR
     changed_files = @client.get("/repos/#{REPO}/pulls/#{pr_number}/files").map { it.fetch(:filename) }