[MNG-8345] Maven generates both settings 1.3.0 and 2.0.0 (#1835)

Author: gnodet

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

@@ -44,9 +44,9 @@ under the License.
  | values (values used when the setting is not specified) are provided.
  |
  |-->
-<settings xmlns="http://maven.apache.org/SETTINGS/1.3.0"
+<settings xmlns="http://maven.apache.org/SETTINGS/2.0.0"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.3.0 https://maven.apache.org/xsd/settings-1.3.0.xsd">
+          xsi:schemaLocation="http://maven.apache.org/SETTINGS/2.0.0 https://maven.apache.org/xsd/settings-2.0.0.xsd">
   <!-- localRepository
    | The path to the local repository maven will use to store artifacts.
    |

api/maven-api-settings/pom.xml

@@ -83,7 +83,7 @@ under the License.
             </goals>
             <phase>generate-resources</phase>
             <configuration>
-              <version>1.3.0</version>
+              <version>2.0.0</version>
               <models>
                 <model>src/main/mdo/settings.mdo</model>
               </models>

maven-settings/pom.xml

@@ -114,6 +114,10 @@ under the License.
               </templates>
             </configuration>
           </execution>
+          <execution>
+            <id>modello-site-docs</id>
+            <phase>none</phase>
+          </execution>
         </executions>
       </plugin>
       <plugin>