Remove issue added message from PR workflow

Author: ndrezn

.github/workflows/pr-issue-check.yml

@@ -18,4 +18,4 @@ jobs:
           exempt-labels: "no-issue-needed"
           request-issue-message: "Could you please link an issue to this PR? This helps us track the context and purpose of changes. If an issue doesn't exist yet, create one before linking it."
           thank-you-message: "Thank you for your contribution to Dash! 🎉"
-          issue-added-message: "Thanks for adding an issue! ✅"
+          issue-added-message: ""