Remove user_segment from DSC (#2586)

Author: sl0thentr0py

CHANGELOG.md

@@ -12,6 +12,10 @@
 - Fix breadcrumb serialization error message to be an object ([#2584](https://github.com/getsentry/sentry-ruby/pull/2584))
   - Fixes [#2478](https://github.com/getsentry/sentry-ruby/issues/2478)
 
+### Internal
+
+- Remove `user_segment` from DSC ([#2586](https://github.com/getsentry/sentry-ruby/pull/2586))
+
 ## 5.23.0
 
 ### Features

sentry-ruby/lib/sentry/propagation_context.rb

@@ -124,8 +124,7 @@ def populate_head_baggage
         "trace_id" => trace_id,
         "environment" => configuration.environment,
         "release" => configuration.release,
-        "public_key" => configuration.dsn&.public_key,
-        "user_segment" => @scope.user && @scope.user["segment"]
+        "public_key" => configuration.dsn&.public_key
       }
 
       items.compact!

sentry-ruby/lib/sentry/transaction.rb

@@ -342,9 +342,6 @@ def populate_head_baggage
 
       items["transaction"] = name unless source_low_quality?
 
-      user = @hub.current_scope&.user
-      items["user_segment"] = user["segment"] if user && user["segment"]
-
       items.compact!
       @baggage = Baggage.new(items, mutable: false)
     end