Fix the e(fx)clipse extension argument

Issue-Ref: 3721
Issue-Url: https://af3-developer.fortiss.org/issues/3721


Signed-off-by: Alexander Diewald <diewald@fortiss.org>

org.fortiss.af3.phoenix.product/org.fortiss.af3.phoenix.product.product

@@ -30,7 +30,7 @@ governing permissions and limitations under the License.
    </configIni>
 
    <launcherArgs>
-      <programArgs>-Dosgi.framework.extensions=reference:file:org.eclipse.fx.osgi
+      <programArgs>-Dosgi.framework.extensions=org.eclipse.fx.osgi
       </programArgs>
       <vmArgsLin>-Xmx1024m -Xss32m
       </vmArgsLin>
@@ -57,7 +57,6 @@ governing permissions and limitations under the License.
       </win>
    </launcher>
 
-
    <vm>
       <windows include="true">org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11</windows>
    </vm>