build: align tycho-packaging POM generation with kura-core

Signed-off-by: Marcello Rinaldo Martina <martina.marcello.rinaldo@outlook.com>

Author: marcellorinaldo

kura/tools/kura-addon-archetype/src/main/resources/archetype-resources/pom.xml

@@ -138,6 +138,9 @@
                     <groupId>org.eclipse.tycho</groupId>
                     <artifactId>tycho-packaging-plugin</artifactId>
                     <version>${tycho.version}</version>
+                    <configuration>
+                        <skipPomGeneration>true</skipPomGeneration>
+                    </configuration>
                 </plugin>
 
                 <plugin>