Adapt to internal changes in JDT and PDE for Eclipe SimRel 2023-12

JDT moved in eclipse-jdt/eclipse.jdt.ui#810, JDT
moved classes from o.e.jdt.ui to o.e.jdt.core.manipulation

PDE removed unused attributes of feature.xml in
eclipse-pde/eclipse.pde#770

Fixes #1591

org.eclipse.m2e.pde.target/src/org/eclipse/m2e/pde/target/MavenFeaturePlugin.java

@@ -28,8 +28,6 @@ class MavenFeaturePlugin extends FeaturePlugin {
 		BundleInfo bundleInfo = child.getBundleInfo();
 		setId(bundleInfo.getSymbolicName());
 		setVersion(bundleInfo.getVersion());
-		setFragment(child.isFragment());
-		setUnpack(false);
 	}
 
 	@Override

org.eclipse.m2e.pde.ui/src/org/eclipse/m2e/pde/ui/target/editor/PluginListPage.java

@@ -38,7 +38,6 @@
 import org.eclipse.pde.internal.core.ifeature.IFeature;
 import org.eclipse.pde.internal.core.ifeature.IFeatureModel;
 import org.eclipse.pde.internal.core.ifeature.IFeaturePlugin;
-import org.eclipse.pde.internal.core.util.CoreUtility;
 import org.eclipse.pde.internal.ui.IHelpContextIds;
 import org.eclipse.pde.internal.ui.PDEPlugin;
 import org.eclipse.pde.internal.ui.shared.CachedCheckboxTreeViewer;
@@ -174,7 +173,6 @@ public void update(IFeatureModel featureModel) throws CoreException {
 			FeaturePlugin fplugin = (FeaturePlugin) featureModel.getFactory().createPlugin();
 			fplugin.loadFrom(plugin);
 			fplugin.setVersion(id2version.getOrDefault(plugin.getId(), ICoreConstants.DEFAULT_VERSION));
-			fplugin.setUnpack(CoreUtility.guessUnpack(plugin.getPluginModel().getBundleDescription()));
 			added[i] = fplugin;
 		}
 		IFeature feature = featureModel.getFeature();

org.eclipse.m2e.refactoring/META-INF/MANIFEST.MF

@@ -14,6 +14,7 @@ Require-Bundle: org.eclipse.m2e.core;bundle-version="[2.0.0,3.0.0)",
  org.eclipse.jface,
  org.eclipse.jface.text,
  org.eclipse.jdt.ui,
+ org.eclipse.jdt.core.manipulation,
  org.eclipse.compare,
  org.eclipse.jdt.core,
  org.eclipse.ui.ide,