Remove other references to trace-items since we're not adding those in this PR

Author: k-fish

relay-kafka/src/config.rs

@@ -51,8 +51,6 @@ pub enum KafkaTopic {
     Spans,
     /// Feedback events topic.
     Feedback,
-    /// Trace items for Snuba.
-    Traces,
 }
 
 impl KafkaTopic {
@@ -75,7 +73,6 @@ impl KafkaTopic {
             OurLogs,
             Spans,
             Feedback,
-            Traces,
         ];
         TOPICS.iter()
     }
@@ -141,7 +138,6 @@ define_topic_assignments! {
     monitors: (KafkaTopic::Monitors, "ingest-monitors", "Monitor check-ins."),
     spans: (KafkaTopic::Spans, "snuba-spans", "Standalone spans without a transaction."),
     feedback: (KafkaTopic::Feedback, "ingest-feedback-events", "Feedback events topic."),
-    traces: (KafkaTopic::Traces, "snuba-traces", "Trace items for Snuba."),
 }
 
 /// Configuration for a "logical" topic/datasink that Relay should forward data into.
@@ -335,7 +331,11 @@ transactions: "ingest-transactions-kafka-topic"
             match topic_assignments.get(*topic) {
                 TopicAssignment::Primary(logical_topic_name) => {
                     if !currrently_undefined_topics.contains(logical_topic_name) {
-                        assert!(sentry_kafka_schemas::get_schema(logical_topic_name, None).is_ok());
+                        assert!(
+                            sentry_kafka_schemas::get_schema(logical_topic_name, None).is_ok(),
+                            "{} is not a valid topic name",
+                            logical_topic_name
+                        );
                     }
                 }
                 _ => panic!("invalid default"),