patch-test_conf_cassandra-seeds.yaml

--- test/conf/cassandra-seeds.yaml.orig	2021-05-25 15:24:52 UTC
+++ test/conf/cassandra-seeds.yaml
@@ -37,7 +37,6 @@ server_encryption_options:
 incremental_backups: true
 concurrent_compactors: 4
 compaction_throughput_mb_per_sec: 0
-row_cache_class_name: org.apache.cassandra.cache.OHCProvider
 row_cache_size_in_mb: 16
 enable_user_defined_functions: true
 enable_scripted_user_defined_functions: true