Remove extra space

Author: mkolt

articles/cosmos-db/sql-api-sdk-dotnet-changefeed.md

@@ -45,7 +45,6 @@ ms.author: maquaran
 * Added a new method `ChangeFeedProcessorBuilder.WithCheckpointPartitionProcessorFactory` and corresponding public interface `ICheckpointPartitionProcessorFactory`. This allows an implementation of the `IPartitionProcessor` interface to use built-in checkpointing mechanism. The new factory is similar to the existing `IPartitionProcessorFactory`, except that its `Create` method also takes the `ILeaseCheckpointer` parameter.
 * Only one of the two methods, either `ChangeFeedProcessorBuilder.WithPartitionProcessorFactory` or `ChangeFeedProcessorBuilder.WithCheckpointPartitionProcessorFactory`, can be used for the same `ChangeFeedProcessorBuilder` instance.
 
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 ### <a name="2.2.8"/>2.2.8
 * Stability and diagnosability improvements:
   * Added support to detect reading change feed taking long time. When it takes longer than the value specified by the `ChangeFeedProcessorOptions.ChangeFeedTimeout` property, the following steps are taken: