remove some comments

pom.xml

@@ -327,7 +327,6 @@
                 </repository>
             </distributionManagement>
          </profile> 
-    <!-- end test -->
     <!-- The following profile prevent build with jdk minor than 8 -->
          <profile> 
              <id>gcube-developer-old</id> 
@@ -383,8 +382,7 @@
                     <url>${repository.snapshots.url}</url>
                 </repository>
             </distributionManagement>
-         </profile> 
-    <!-- end test -->         
+         </profile>          
         <profile>
             <id>jenkins-releases</id>
             <activation>