[foozzie] Remove obsolete flag suppression

No-Try: true
Bug: chromium:1240812
Change-Id: Ica677c1253bf4ff9ced0b91e71e35ee8e0cb78cd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3868906Reviewed-by: Clemens Backes <clemensb@chromium.org>
Auto-Submit: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82919}

tools/clusterfuzz/foozzie/v8_foozzie.py

@@ -172,8 +172,6 @@ KNOWN_FAILURES = {
 
 # Flags that are already crashy during smoke tests should not be used.
 DISALLOWED_FLAGS = [
-  '--gdbjit',
-
   # TODO(https://crbug.com/1324097): Enable once maglev is more stable.
   '--maglev',