simplify release script to not call goals already triggered by eclipse-release profile

Signed-off-by: olivier lamy <oliver.lamy@gmail.com>

pom.xml

@@ -1348,7 +1348,7 @@
               <execution>
                 <id>attach-sources</id>
                 <goals>
-                  <goal>jar</goal>
+                  <goal>jar-no-fork</goal>
                 </goals>
               </execution>
             </executions>

scripts/release-jetty.sh

@@ -167,7 +167,7 @@ if proceedyn "Are you sure you want to release using above? (y/N)" n; then
     # This is equivalent to 'mvn release:perform'
     if proceedyn "Build/Deploy from tag $TAG_NAME? (Y/n)" y; then
         git checkout $TAG_NAME
-        mvn clean package source:jar javadoc:jar gpg:sign javadoc:aggregate-jar deploy \
+        mvn clean package javadoc:aggregate-jar deploy \
             -Peclipse-release $DEPLOY_OPTS
         reportMavenTestFailures
         git checkout $GIT_BRANCH_ID