Cleanup: Delete obsolete commented code that was committed by accident

headless-services/boot-java-language-server/src/main/java/org/springframework/ide/vscode/boot/java/annotations/SymbolProviderLookup.java

@@ -1,51 +0,0 @@
-///*******************************************************************************
-// * Copyright (c) 2017 Pivotal, Inc.
-// * All rights reserved. This program and the accompanying materials
-// * are made available under the terms of the Eclipse Public License v1.0
-// * which accompanies this distribution, and is available at
-// * http://www.eclipse.org/legal/epl-v10.html
-// *
-// * Contributors:
-// *     Pivotal, Inc. - initial API and implementation
-// *******************************************************************************/
-//package org.springframework.ide.vscode.boot.java.annotations;
-//
-//import java.util.Collection;
-//
-//import org.eclipse.jdt.core.dom.ITypeBinding;
-//import org.springframework.ide.vscode.boot.java.handlers.SymbolProvider;
-//
-//import com.google.common.collect.ImmutableList;
-//
-//import reactor.util.function.Tuple2;
-//
-///**
-// * @author Kris De Volder
-// */
-//public class SymbolProviderLookup {
-//
-//	@FunctionalInterface
-//	public interface Factory<T> {
-//		T create(String fqAnnotationType);
-//	}
-//
-//	private AnnotationHierarchyAwareLookup<SymbolProvider> providers = new AnnotationHierarchyAwareLookup<>();
-//
-//	public void put(String fqAnnotationType, SymbolProvider value) {
-//		providers.put(fqAnnotationType, true, value);
-//	}
-//
-//	public Collection<SymbolProvider> get(ITypeBinding typeBinding) {
-//		ImmutableList.Builder<T> builder = ImmutableList.builder();
-//		for (Tuple2<String, Factory<T>> entry : factories.get(typeBinding)) {
-//			String superAnnotationName = entry.getT1();
-//			Factory<T> factory = entry.getT2();
-//			T element = factory.create(superAnnotationName);
-//			if (element!=null) {
-//				builder.add(element);
-//			}
-//		}
-//		return builder.build();
-//	}
-//
-//}