[SPARK-23551][BUILD] Exclude hadoop-mapreduce-client-core dependenc…

…y from `orc-mapreduce`

## What changes were proposed in this pull request?

This PR aims to prevent `orc-mapreduce` dependency from making IDEs and maven confused.

**BEFORE**
Please note that `2.6.4` at `Spark Project SQL`.
```
$ mvn dependency:tree -Phadoop-2.7 -Dincludes=org.apache.hadoop:hadoop-mapreduce-client-core
...
[INFO] ------------------------------------------------------------------------
[INFO] Building Spark Project Catalyst 2.4.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-dependency-plugin:3.0.2:tree (default-cli)  spark-catalyst_2.11 ---
[INFO] org.apache.spark:spark-catalyst_2.11:jar:2.4.0-SNAPSHOT
[INFO] \- org.apache.spark:spark-core_2.11:jar:2.4.0-SNAPSHOT:compile
[INFO]    \- org.apache.hadoop:hadoop-client:jar:2.7.3:compile
[INFO]       \- org.apache.hadoop:hadoop-mapreduce-client-core:jar:2.7.3:compile
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Spark Project SQL 2.4.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-dependency-plugin:3.0.2:tree (default-cli)  spark-sql_2.11 ---
[INFO] org.apache.spark:spark-sql_2.11:jar:2.4.0-SNAPSHOT
[INFO] \- org.apache.orc:orc-mapreduce:jar:nohive:1.4.3:compile
[INFO]    \- org.apache.hadoop:hadoop-mapreduce-client-core:jar:2.6.4:compile
```

**AFTER**
```
$ mvn dependency:tree -Phadoop-2.7 -Dincludes=org.apache.hadoop:hadoop-mapreduce-client-core
...
[INFO] ------------------------------------------------------------------------
[INFO] Building Spark Project Catalyst 2.4.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-dependency-plugin:3.0.2:tree (default-cli)  spark-catalyst_2.11 ---
[INFO] org.apache.spark:spark-catalyst_2.11:jar:2.4.0-SNAPSHOT
[INFO] \- org.apache.spark:spark-core_2.11:jar:2.4.0-SNAPSHOT:compile
[INFO]    \- org.apache.hadoop:hadoop-client:jar:2.7.3:compile
[INFO]       \- org.apache.hadoop:hadoop-mapreduce-client-core:jar:2.7.3:compile
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Spark Project SQL 2.4.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-dependency-plugin:3.0.2:tree (default-cli)  spark-sql_2.11 ---
[INFO] org.apache.spark:spark-sql_2.11:jar:2.4.0-SNAPSHOT
[INFO] \- org.apache.spark:spark-core_2.11:jar:2.4.0-SNAPSHOT:compile
[INFO]    \- org.apache.hadoop:hadoop-client:jar:2.7.3:compile
[INFO]       \- org.apache.hadoop:hadoop-mapreduce-client-core:jar:2.7.3:compile
```

## How was this patch tested?

1. Pass the Jenkins with `dev/test-dependencies.sh` with the existing dependencies.
2. Manually do the following and see the change.
```
mvn dependency:tree -Phadoop-2.7 -Dincludes=org.apache.hadoop:hadoop-mapreduce-client-core
```

Author: Dongjoon Hyun <dongjoon@apache.org>

Closes #20704 from dongjoon-hyun/SPARK-23551.

pom.xml

@@ -1753,6 +1753,10 @@
             <groupId>org.apache.hadoop</groupId>
             <artifactId>hadoop-common</artifactId>
           </exclusion>
+          <exclusion>
+            <groupId>org.apache.hadoop</groupId>
+            <artifactId>hadoop-mapreduce-client-core</artifactId>
+          </exclusion>
           <exclusion>
             <groupId>org.apache.orc</groupId>
             <artifactId>orc-core</artifactId>