Remove APPLICATION_JSON_UTF8 usage

Signed-off-by: Tran Ngoc Nhan <ngocnhan.tran1996@gmail.com>

web/src/main/java/org/springframework/security/http/MediaTypes.java

@@ -1,39 +0,0 @@
-/*
- * Copyright 2002-2021 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.springframework.security.http;
-
-import java.nio.charset.StandardCharsets;
-
-import org.springframework.http.MediaType;
-
-/**
- * This is a placeholder to allow an incremental update to Spring Framework 7.0.
- *
- * @deprecated For removal
- */
-@Deprecated(since = "7.0.0", forRemoval = true)
-public final class MediaTypes {
-
-	public static final MediaType APPLICATION_JSON_UTF8 = new MediaType(MediaType.APPLICATION_JSON,
-			StandardCharsets.UTF_8);
-
-	public static final String APPLICATION_JSON_UTF8_VALUE = APPLICATION_JSON_UTF8.toString();
-
-	private MediaTypes() {
-	}
-
-}