Remove duplicated code in pom.xml

Author: henriquetruta

pom.xml

@@ -410,17 +410,6 @@
                 <artifactId>maven-surefire-plugin</artifactId>
                 <version>2.19.1</version>
             </plugin>
-            <plugin>
-                <groupId>org.sonatype.plugins</groupId>
-                <artifactId>nexus-staging-maven-plugin</artifactId>
-                <version>1.6.7</version>
-                <extensions>true</extensions>
-                <configuration>
-                    <serverId>ossrh</serverId>
-                    <nexusUrl>https://oss.sonatype.org/</nexusUrl>
-                    <autoReleaseAfterClose>true</autoReleaseAfterClose>
-                </configuration>
-            </plugin>
             <plugin>
                 <artifactId>maven-jar-plugin</artifactId>
                 <version>3.0.2</version>