Disabled source feature

features/org.eclipse.gmf.runtime.emf.clipboard.core.patch-feature/pom.xml

@@ -13,17 +13,21 @@
 	<packaging>eclipse-feature</packaging>
 	<groupId>org.yakindu.sct.features</groupId>
 	
-		<build>
+	<build>
 		<plugins>
 			<plugin>
 				<groupId>org.eclipse.tycho.extras</groupId>
 				<artifactId>tycho-source-feature-plugin</artifactId>
-			</plugin>
-			<plugin>
-				<groupId>org.eclipse.tycho</groupId>
-				<artifactId>tycho-p2-plugin</artifactId>
+				<version>${tycho-extras-version}</version>
+				<executions>
+					<executions>
+					  <execution>
+					    <id>some-id</id>
+					    <phase>none</phase>
+					  </execution>
+					</executions> 
+				</executions>
 			</plugin>
 		</plugins>
 	</build>
-	
 </project>