[MNG-6112] Align artifacts and plugins policies using the default value

Author: gnodet

apache-maven/src/assembly/maven/conf/settings.xml

@@ -166,6 +166,9 @@ under the License.
     </mirror>
   </mirrors>
 
+  <!-- repositories
+   | Specifies the list of default remote repositories that maven will search artifacts for.
+  -->
   <repositories>
     <repository>
       <id>central</id>
@@ -177,6 +180,9 @@ under the License.
     </repository>
   </repositories>
 
+  <!-- plugin repositories
+   | Specifies the list of default remote repositories that maven will search plugins for.
+  -->
   <pluginRepositories>
     <pluginRepository>
       <id>central</id>
@@ -185,9 +191,6 @@ under the License.
       <snapshots>
         <enabled>false</enabled>
       </snapshots>
-      <releases>
-        <updatePolicy>never</updatePolicy>
-      </releases>
     </pluginRepository>
   </pluginRepositories>