remove anti-joke option from suggested fix (#69619)

remoev joke prompt from suggested fix

Author: trillville

src/sentry/api/endpoints/event_ai_suggested_fix.py

@@ -39,7 +39,6 @@
     "[hip hop rhyme about the error]",
     "[4 line rhyme about the error]",
     "[2 stanza rhyme about the error]",
-    "[anti joke about the error]",
 ]
 
 PROMPT = """\