[SPARK-14770][SQL] Remove unused queries in hive module test resources

## What changes were proposed in this pull request?
We currently have five folders in queries: clientcompare, clientnegative, clientpositive, negative, and positive. Only clientpositive is used. We can remove the rest.

## How was this patch tested?
N/A - removing unused test resources.

Author: Reynold Xin <rxin@databricks.com>

Closes #12540 from rxin/SPARK-14770.