fix: replace emoji cross with correct emoji

Author: devcarron

blackjackbot/lang/strings/translations_en.json

@@ -41,7 +41,7 @@
   "closer_to_21": "\uD83C\uDFC6 Congrats! You are closer to 21 and win this round.",
   "eval_heading_wins": "\uD83D\uDD30 Wins:",
   "eval_heading_ties": "\uD83D\uDC4C Ties:",
-  "eval_heading_losses": "\u2716\uFE0F Losses:",
+  "eval_heading_losses": "\u274C Losses:",
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   "admin_reply": "⚠ You need to reply to the user's comment!",