kafka no longer needed

scripts/check-env.js

@@ -23,12 +23,5 @@ if (!process.env.SKIP_DB_CHECK && !process.env.DATABASE_TYPE) {
 }
 
 if (process.env.CLOUD_URL) {
-  checkMissing([
+  checkMissing(['CLOUD_URL', 'CLICKHOUSE_URL', 'REDIS_URL']);
-    'CLOUD_URL',
-    'CLICKHOUSE_URL',
-    'REDIS_URL',
-    'KAFKA_BROKER',
-    'KAFKA_URL',
-    'KAFKA_SASL_MECHANISM',
-  ]);
 }