[SPARK-30901][DOCS] Fix doc exemple with deprecated codes #27652
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What changes were proposed in this pull request?
Previous exemple given for spark-streaming-kinesis was true for Apache Spark < 2.3.0. After that the method used in exemple became deprecated:
@deprecated("use initialPosition(initialPosition: KinesisInitialPosition)", "2.3.0")
def initialPositionInStream(initialPosition: InitialPositionInStream)
This PR updates the doc on rewriting exemple in Scala/Java (remain unchanged in Python) to adapt Apache Spark 2.4.0 + releases.
Why are the changes needed?
It introduces some confusion for developers to test their spark-streaming-kinesis exemple.
Does this PR introduce any user-facing change?
No
How was this patch tested?
In my opinion, the change is only about the documentation level, so I did not add any special test.