Fix javadoc errors/warnings

As pointed at
https://ci.eclipse.org/platform/job/eclipse.platform.ui/job/master/810/javadoc-warnings/

Author: akurtakov

bundles/org.eclipse.jface.text/src/org/eclipse/jface/internal/text/html/HTMLPrinter.java

@@ -89,7 +89,7 @@ private static void cacheColors(Display display) {
 	 * @return the string with escaped characters
 	 *
 	 * @see #convertToHTMLContentWithWhitespace(String) for use in browsers
-	 * @see #addPreFormatted(StringBuilder, String) for rendering with an {@link HTML2TextReader}
+	 * @see #addPreFormatted(StringBuilder, String) for rendering with an HTML2TextReader
 	 */
 	public static String convertToHTMLContent(String content) {
 		return HTMLBuilder.convertToHTMLContent(content);

bundles/org.eclipse.ui.editors/src/org/eclipse/ui/editors/text/templates/ContributionTemplateStore.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2008 IBM Corporation and others.
+ * Copyright (c) 2000, 2024 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -102,8 +102,6 @@ public ContributionTemplateStore(ContextTypeRegistry registry, IPreferenceStore
 
 	/**
 	 * Loads the templates contributed via the templates extension point.
-	 *
-	 * @throws IOException {@inheritDoc}
 	 */
 	@Override
 	protected void loadContributedTemplates() throws IOException {

bundles/org.eclipse.ui.workbench/eclipseui/org/eclipse/ui/internal/handlers/ContextMenuHandler.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2013, 2014 IBM Corporation and others.
+ * Copyright (c) 2013, 2024 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -15,7 +15,6 @@
 
 import org.eclipse.core.commands.AbstractHandler;
 import org.eclipse.core.commands.ExecutionEvent;
-import org.eclipse.core.commands.ExecutionException;
 import org.eclipse.jface.util.Geometry;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Point;
@@ -27,11 +26,8 @@
 import org.eclipse.ui.handlers.HandlerUtil;
 
 public class ContextMenuHandler extends AbstractHandler {
-	/**
-	 * @throws ExecutionException {@inheritDoc}
-	 */
 	@Override
-	public Object execute(ExecutionEvent exEvent) throws ExecutionException {
+	public Object execute(ExecutionEvent exEvent) {
 		Shell shell = HandlerUtil.getActiveShell(exEvent);
 		Display display = shell == null ? Display.getCurrent() : shell.getDisplay();
 		Control focusControl = display.getFocusControl();