HADOOP-14359. Remove unnecessary shading of commons-httpclient. Contributed by Wei-Chiu Chuang.

hadoop-client-modules/hadoop-client-minicluster/pom.xml

@@ -460,10 +460,6 @@
           <groupId>com.google.guava</groupId>
           <artifactId>guava</artifactId>
         </exclusion>
-        <exclusion>
-          <groupId>commons-httpclient</groupId>
-          <artifactId>commons-httpclient</artifactId>
-        </exclusion>
         <exclusion>
           <groupId>commons-logging</groupId>
           <artifactId>commons-logging</artifactId>

hadoop-common-project/hadoop-kms/pom.xml

@@ -89,10 +89,6 @@
           <groupId>javax.xml.stream</groupId>
           <artifactId>stax-api</artifactId>
         </exclusion>
-        <exclusion>
-          <groupId>commons-httpclient</groupId>
-          <artifactId>commons-httpclient</artifactId>
-        </exclusion>
         <exclusion>
           <groupId>javax.servlet</groupId>
           <artifactId>javax.servlet-api</artifactId>

hadoop-hdfs-project/hadoop-hdfs-httpfs/pom.xml

@@ -98,10 +98,6 @@
           <groupId>javax.xml.stream</groupId>
           <artifactId>stax-api</artifactId>
         </exclusion>
-        <exclusion>
-          <groupId>commons-httpclient</groupId>
-          <artifactId>commons-httpclient</artifactId>
-        </exclusion>
         <exclusion>
           <groupId>javax.servlet</groupId>
           <artifactId>javax.servlet-api</artifactId>
@@ -141,10 +137,6 @@
           <groupId>commons-cli</groupId>
           <artifactId>commons-cli</artifactId>
         </exclusion>
-        <exclusion>
-          <groupId>commons-httpclient</groupId>
-          <artifactId>commons-httpclient</artifactId>
-        </exclusion>
         <exclusion>
           <groupId>javax.servlet</groupId>
           <artifactId>javax.servlet-api</artifactId>