Update source feature plugins in Maven build

releng/edu.kit.ipd.sdq.metamodels.demo.parent/pom.xml

@@ -69,7 +69,7 @@
 				</configuration>
 			</plugin>
 
-			<!-- Creates source versions of bundles -->
+			<!-- Creates source versions of bundles and features -->
 			<plugin>
 				<groupId>org.eclipse.tycho</groupId>
 				<artifactId>tycho-source-plugin</artifactId>
@@ -81,20 +81,10 @@
 							<goal>plugin-source</goal>
 						</goals>
 					</execution>
-				</executions>
-			</plugin>
-
-			<!-- Creates source versions of features -->
-			<plugin>
-				<groupId>org.eclipse.tycho.extras</groupId>
-				<artifactId>tycho-source-feature-plugin</artifactId>
-				<version>${tycho.version}</version>
-				<executions>
 					<execution>
-						<id>source-feature</id>
-						<phase>package</phase>
+						<id>feature-source</id>
 						<goals>
-							<goal>source-feature</goal>
+							<goal>feature-source</goal>
 						</goals>
 					</execution>
 				</executions>
@@ -107,7 +97,7 @@
 				<version>${tycho.version}</version>
 				<executions>
 					<execution>
-						<id>attached-p2-metadata</id>
+						<id>attach-p2-metadata</id>
 						<phase>package</phase>
 						<goals>
 							<goal>p2-metadata</goal>