Removed signing from 1.6 pom to fix ci.

Author: TVolden

ocpp-v1_6/pom.xml

@@ -108,6 +108,7 @@
                 </execution>
               </executions>
             </plugin>
+            <!--
             <plugin>
               <groupId>org.apache.maven.plugins</groupId>
               <artifactId>maven-gpg-plugin</artifactId>
@@ -122,6 +123,7 @@
                 </execution>
               </executions>
             </plugin>
+          -->
         </plugins>
     </build>