HDFS-12608. Ozone: Remove Warnings when building. Contributed by Bharat Viswanadham.

hadoop-dist/pom.xml

@@ -132,6 +132,7 @@
       <!-- Disable the sign plugin, since there isn't anything to sign -->
       <plugin>
         <artifactId>maven-gpg-plugin</artifactId>
+        <version>${maven-gpg-plugin.version}</version>
         <executions>
           <execution>
             <id>sign-artifacts</id>

hadoop-tools/hadoop-ozone/pom.xml

@@ -33,15 +33,6 @@
 
   <build>
     <plugins>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-project-info-reports-plugin</artifactId>
-        <configuration>
-          <dependencyDetailsEnabled>false</dependencyDetailsEnabled>
-          <dependencyLocationsEnabled>false
-          </dependencyLocationsEnabled>
-        </configuration>
-      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-jar-plugin</artifactId>