temporarily remove nexus plugin (#123)

Signed-off-by: Lukas Jungmann <lukas.jungmann@oracle.com>

pom.xml

diff --git a/pom.xml b/pom.xml
index 96d3d21..5a48bf0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -242,11 +242,6 @@
                         </dependency>
                     </dependencies>
                 </plugin>
-                <plugin>
-                    <groupId>org.sonatype.plugins</groupId>
-                    <artifactId>nexus-staging-maven-plugin</artifactId>
-                    <version>1.6.7</version>
-                </plugin>
             </plugins>
         </pluginManagement>
     </build>
@@ -301,20 +296,6 @@
                 <module>impl</module>
                 <module>jaxrs</module>
             </modules>
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.sonatype.plugins</groupId>
-                        <artifactId>nexus-staging-maven-plugin</artifactId>
-                        <extensions>true</extensions>
-                        <configuration>
-                            <serverId>ossrh</serverId>
-                            <nexusUrl>${sonatypeOssDistMgmtReleasesUrl}</nexusUrl>
-                            <autoReleaseAfterClose>false</autoReleaseAfterClose>
-                        </configuration>
-                    </plugin>
-                </plugins>
-            </build>
         </profile>
 
         <profile>