fix: remove unused orjson related options (#69022)

Removes unused options from
#68936 and
#68937

Options were removed on
https://github.com/getsentry/sentry-options-automator/pull/1142

Author: anonrig

src/sentry/options/defaults.py

@@ -1221,12 +1221,6 @@
 # Brownout duration to be stored in ISO8601 format for durations (See https://en.wikipedia.org/wiki/ISO_8601#Durations)
 register("api.deprecation.brownout-duration", default="PT1M", flags=FLAG_AUTOMATOR_MODIFIABLE)
 
-# Option to enable orjson for JSON parsing
-register("sentry-metrics.indexer.enable-orjson", default=0.0, flags=FLAG_AUTOMATOR_MODIFIABLE)
-register(
-    "sentry-metrics.ingest-consumer.enable-orjson", default=0.0, flags=FLAG_AUTOMATOR_MODIFIABLE
-)
-
 # Option to disable misbehaving use case IDs
 register("sentry-metrics.indexer.disabled-namespaces", default=[], flags=FLAG_AUTOMATOR_MODIFIABLE)