Use pomless for Features and remove unnecessary m2e lifecycle-mappings

This enhances the fix of eclipse-equinox#17

.mvn/extensions.xml

@@ -3,6 +3,6 @@
 	<extension>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-build</artifactId>
-		<version>2.7.0</version>
+		<version>2.7.1</version>
 	</extension>
 </extensions>

features/org.eclipse.equinox.p2.user.ui/pom.xml → features/pom.xml

@@ -1,28 +1,33 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  Copyright (c) 2012, 2017 Eclipse Foundation.
+  Copyright (c) 2012, 2022 Eclipse Foundation.
   All rights reserved. This program and the accompanying materials
   are made available under the terms of the Eclipse Distribution License v1.0
   which accompanies this distribution, and is available at
   http://www.eclipse.org/org/documents/edl-v10.php
  
   Contributors:
      Igor Fedorenko - initial implementation
+     Hannes Wellmann - leaverage Tycho-pomless more
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.eclipse.equinox.p2</groupId>
     <artifactId>rt.equinox.p2</artifactId>
     <version>4.24.0-SNAPSHOT</version>
-    <relativePath>../..</relativePath>
   </parent>
+  <artifactId>features</artifactId>
+  <packaging>pom</packaging>
 
-  <groupId>org.eclipse.equinox</groupId>
-  <artifactId>org.eclipse.equinox.p2.user.ui</artifactId>
-  <version>2.4.1600-SNAPSHOT</version>
-  <packaging>eclipse-feature</packaging>
-
+  <modules>
+    <module>org.eclipse.equinox.p2.core.feature</module>
+    <module>org.eclipse.equinox.p2.extras.feature</module>
+    <module>org.eclipse.equinox.p2.discovery.feature</module>
+    <module>org.eclipse.equinox.p2.sdk</module>
+    <module>org.eclipse.equinox.p2.rcp.feature</module>
+    <module>org.eclipse.equinox.p2.user.ui</module>
+  </modules>
   <build>
     <plugins>
       <plugin>

pom.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  Copyright (c) 2012, 2019 Eclipse Foundation.
+  Copyright (c) 2012, 2022 Eclipse Foundation.
   All rights reserved. This program and the accompanying materials
   are made available under the terms of the Eclipse Distribution License v1.0
   which accompanies this distribution, and is available at
@@ -64,51 +64,6 @@
     </profile>
   </profiles>
 
-  <build>
-    <pluginManagement>
-      <plugins>
-        <!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->
-        <plugin>
-          <groupId>org.eclipse.m2e</groupId>
-          <artifactId>lifecycle-mapping</artifactId>
-          <version>1.0.0</version>
-          <configuration>
-            <lifecycleMappingMetadata>
-              <pluginExecutions>
-                <pluginExecution>
-                  <pluginExecutionFilter>
-                    <groupId>org.eclipse.cbi.maven.plugins</groupId>
-                    <artifactId>eclipse-cbi-plugin</artifactId>
-                    <versionRange>[0.0.0,)</versionRange>
-                    <goals>
-                      <goal>generate-api-build-xml</goal>
-                    </goals>
-                  </pluginExecutionFilter>
-                  <action>
-                    <ignore></ignore>
-                  </action>
-                </pluginExecution>
-                <pluginExecution>
-                  <pluginExecutionFilter>
-                    <groupId>org.eclipse.tycho.extras</groupId>
-                    <artifactId>tycho-eclipserun-plugin</artifactId>
-                    <versionRange>[0.0.0,)</versionRange>
-                    <goals>
-                      <goal>eclipse-run</goal>
-                    </goals>
-                  </pluginExecutionFilter>
-                  <action>
-                    <ignore></ignore>
-                  </action>
-                </pluginExecution>
-              </pluginExecutions>
-            </lifecycleMappingMetadata>
-          </configuration>
-        </plugin>
-      </plugins>
-    </pluginManagement>
-  </build>
-
   <modules>
     <module>bundles/org.eclipse.equinox.frameworkadmin</module>
     <module>bundles/org.eclipse.equinox.frameworkadmin.equinox</module>
@@ -146,14 +101,10 @@
     <module>bundles/org.eclipse.equinox.simpleconfigurator</module>
     <module>bundles/org.eclipse.equinox.simpleconfigurator.manipulator</module>
     <module>bundles/org.eclipse.equinox.p2.publisher.eclipse</module>
-    <module>features/org.eclipse.equinox.p2.core.feature</module>
-    <module>features/org.eclipse.equinox.p2.extras.feature</module>
-    <module>features/org.eclipse.equinox.p2.discovery.feature</module>
     <module>bundles/org.eclipse.equinox.p2.ui.sdk</module>
     <module>bundles/org.eclipse.equinox.p2.ui.sdk.scheduler</module>
-    <module>features/org.eclipse.equinox.p2.sdk</module>
-    <module>features/org.eclipse.equinox.p2.rcp.feature</module>
-    <module>features/org.eclipse.equinox.p2.user.ui</module>
+
+    <module>features</module>
 
     <module>bundles/org.eclipse.equinox.p2.tests.reconciler.product</module>
     <module>bundles/org.eclipse.equinox.p2.tests</module>