[SPARK-24865][FOLLOW-UP] Remove AnalysisBarrier LogicalPlan Node

[gatorsmile]

What changes were proposed in this pull request?

Remove the AnalysisBarrier LogicalPlan node, which is useless now.

How was this patch tested?

N/A

[SparkQA]

Test build #93957 has finished for PR 21962 at commit 7f70aaa.

• This patch fails to build.
• This patch merges cleanly.
• This patch adds no public classes.

[gatorsmile]

cc @rxin @cloud-fan

[cloud-fan]

LGTM

[SparkQA]

Test build #93961 has finished for PR 21962 at commit 0135ba4.

• This patch fails due to an unknown error code, -9.
• This patch merges cleanly.
• This patch adds no public classes.

[cloud-fan]

retest this please

[SparkQA]

Test build #93988 has finished for PR 21962 at commit 0135ba4.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[HyukjinKwon]

Merged to master.