chore: remove stale wal config entries (#6134)

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

.github/actions/setup-greptimedb-cluster/with-remote-wal.yaml

@@ -22,7 +22,6 @@ datanode:
     [wal]
     provider = "kafka"
     broker_endpoints = ["kafka.kafka-cluster.svc.cluster.local:9092"]
-    linger = "2ms"
     overwrite_entry_start_id = true
 frontend:
   configData: |-

src/common/wal/src/config.rs

@@ -158,12 +158,7 @@ mod tests {
             provider = "kafka"
             broker_endpoints = ["127.0.0.1:9092"]
             max_batch_bytes = "1MB"
-            linger = "200ms"
             consumer_wait_timeout = "100ms"
-            backoff_init = "500ms"
-            backoff_max = "10s"
-            backoff_base = 2
-            backoff_deadline = "5mins"
             num_topics = 32
             num_partitions = 1
             selector_type = "round_robin"

tests/conf/datanode-test.toml.template

@@ -14,7 +14,6 @@ sync_write = false
 {{ else }}
 provider = "kafka"
 broker_endpoints = {kafka_wal_broker_endpoints | unescaped}
-linger = "5ms"
 overwrite_entry_start_id = true
 {{ endif }}
 

tests/conf/standalone-test.toml.template

@@ -13,7 +13,6 @@ sync_write = false
 {{ else }}
 provider = "kafka"
 broker_endpoints = {kafka_wal_broker_endpoints | unescaped}
-linger = "5ms"
 {{ endif }}
 
 [storage]