Stop using MaxTransferRetries (#10844)

**What this PR does / why we need it**:
This configuration was removed on
https://github.com/grafana/loki/pull/10709/files.

**Which issue(s) this PR fixes**:
N/A

production/ksonnet/loki/wal.libsonnet

@@ -10,7 +10,6 @@ local k = import 'ksonnet-util/kausal.libsonnet';
         // disables transfers when running as statefulsets.
         // pod rolling stragety will always fail transfers
         // and the WAL supersedes this.
-        max_transfer_retries: 0,
         wal+: {
           enabled: true,
           dir: '/loki/wal',