Restrict injury logging to player's team GMs only

Security fix: Remove user_id from ConfirmationView so only the player's
team GM(s) can click "Log Injury" button. Anyone can still run /injury roll
to see the result, but only authorized GMs can record it.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

VERSION

@@ -1 +1 @@
-2.25.0
+2.25.1

commands/injuries/management.py

@@ -205,8 +205,8 @@ class InjuryGroup(app_commands.Group):
                 injury_callback = batter_confirm_callback
 
             # Create confirmation view with appropriate callback
+            # Only the player's team GM(s) can log the injury
             view = ConfirmationView(
-                user_id=interaction.user.id,
                 timeout=180.0,  # 3 minutes for confirmation
                 responders=[player.team.gmid, player.team.gmid2] if player.team else None,
                 confirm_callback=injury_callback,