some smaller cleanups

Signed-off-by: Christian Dietrich <christian.dietrich.opensource@gmail.com>

Author: cdietrich

org.eclipse.xtext.ui.codetemplates.ui/src/org/eclipse/xtext/ui/codetemplates/ui/preferences/AdvancedTemplatesPreferencePage.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2010, 2017 itemis AG (http://www.itemis.eu) and others.
+ * Copyright (c) 2010, 2025 itemis AG (http://www.itemis.eu) and others.
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License 2.0 which is available at
  * http://www.eclipse.org/legal/epl-2.0.
@@ -16,7 +16,6 @@
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.window.Window;
 import org.eclipse.swt.widgets.Composite;
-import org.eclipse.text.templates.ContextTypeRegistry;
 import org.eclipse.text.templates.TemplatePersistenceData;
 import org.eclipse.xtext.IGrammarAccess;
 import org.eclipse.xtext.ui.editor.embedded.EmbeddedEditor;

org.eclipse.xtext.ui/src/org/eclipse/xtext/ui/editor/hover/html/XtextBrowserInformationControlAdapter.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2012, 2024 itemis AG (http://www.itemis.eu) and others.
+ * Copyright (c) 2012, 2025 itemis AG (http://www.itemis.eu) and others.
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License 2.0 which is available at
  * http://www.eclipse.org/legal/epl-2.0.
@@ -9,7 +9,6 @@
 package org.eclipse.xtext.ui.editor.hover.html;
 
 
-import org.apache.log4j.Logger;
 import org.eclipse.jface.internal.text.html.BrowserInformationControl;
 import org.eclipse.jface.internal.text.html.BrowserInformationControlInput;
 import org.eclipse.jface.text.IInputChangedListener;
@@ -27,8 +26,6 @@
  */
 public class XtextBrowserInformationControlAdapter implements IXtextBrowserInformationControl {
 
-	private static final Logger LOG = Logger.getLogger(XtextBrowserInformationControlAdapter.class);
-	
 	private final BrowserInformationControl control;
 
 	XtextBrowserInformationControlAdapter(BrowserInformationControl control) {

org.eclipse.xtext.ui/src/org/eclipse/xtext/ui/editor/templates/XtextTemplateContextTypeRegistry.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2008, 2017 itemis AG (http://www.itemis.eu) and others.
+ * Copyright (c) 2008, 2025 itemis AG (http://www.itemis.eu) and others.
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License 2.0 which is available at
  * http://www.eclipse.org/legal/epl-2.0.
@@ -12,7 +12,6 @@
 import java.util.Collections;
 import java.util.List;
 
-import org.eclipse.text.templates.ContextTypeRegistry;
 import org.eclipse.xtext.EcoreUtil2;
 import org.eclipse.xtext.EnumRule;
 import org.eclipse.xtext.GrammarUtil;