docs: update ENTRY.md to streamline participant information section

Author: ryan-gang

internal/test_helpers/scenarios/test_bot/ENTRY.md

@@ -1,13 +1,11 @@
 # Gleam Chess Tournament Submission
 
 ## Participant Information
+
 - Email: [Your Email]
 - Name: [Your Name]
 
-### Git Repository URL
-- Repository URL: [Your Repo URL]
-(Should be a public repo with the code for the bot.)
-
 ---
 
-*Note: Your name may be used in the video/stream at the end of the tournament, so provide something you're happy sharing with the world.*
+_Note: Your name may be used in the video/stream at the end of the tournament,
+so provide something you're happy sharing with the world._