remove redundant tolerableCheckpointFailureNumber setting in CheckpointConfig

public CheckpointConfig(final CheckpointConfig checkpointConfig) {
    checkNotNull(checkpointConfig);

    this.checkpointInterval = checkpointConfig.checkpointInterval;
    this.checkpointingMode = checkpointConfig.checkpointingMode;
    this.checkpointTimeout = checkpointConfig.checkpointTimeout;
    this.maxConcurrentCheckpoints = checkpointConfig.maxConcurrentCheckpoints;
    this.minPauseBetweenCheckpoints = checkpointConfig.minPauseBetweenCheckpoints;
    this.preferCheckpointForRecovery = checkpointConfig.preferCheckpointForRecovery;
    this.tolerableCheckpointFailureNumber = checkpointConfig.tolerableCheckpointFailureNumber;
    this.unalignedCheckpointsEnabled = checkpointConfig.isUnalignedCheckpointsEnabled();
    this.alignmentTimeout = checkpointConfig.alignmentTimeout;
    this.approximateLocalRecovery = checkpointConfig.isApproximateLocalRecoveryEnabled();
    this.externalizedCheckpointCleanup = checkpointConfig.externalizedCheckpointCleanup;
    this.forceCheckpointing = checkpointConfig.forceCheckpointing;
    this.forceUnalignedCheckpoints = checkpointConfig.forceUnalignedCheckpoints;
    this.tolerableCheckpointFailureNumber = checkpointConfig.tolerableCheckpointFailureNumber;
}