chore(issues): Remove traceparent experiment (#93942)

- #93894 removed usage
- getsentry/sentry-options-automator#4243
removed the last override

Author: mrduncan

src/sentry/options/defaults.py

@@ -2624,11 +2624,6 @@
     default=0.0,
     flags=FLAG_ADMIN_MODIFIABLE | FLAG_AUTOMATOR_MODIFIABLE | FLAG_RATE,
 )
-register(
-    "grouping.experiments.parameterization.traceparent",
-    default=0.0,
-    flags=FLAG_ADMIN_MODIFIABLE | FLAG_AUTOMATOR_MODIFIABLE | FLAG_RATE,
-)
 
 # TODO: For now, only a small number of projects are going through a grouping config transition at
 # any given time, so we're sampling at 100% in order to be able to get good signal. Once we've fully