8343482: Remove unnecessary @SuppressWarnings annotations (net)

Reviewed-by: dfuchs

Author: archiecobbs

src/java.base/share/classes/java/net/Socket.java

@@ -2057,7 +2057,6 @@ public <T> Socket setOption(SocketOption<T> name, T value) throws IOException {
      *
      * @since 9
      */
-    @SuppressWarnings("unchecked")
     public <T> T getOption(SocketOption<T> name) throws IOException {
         Objects.requireNonNull(name);
         if (isClosed())

src/java.base/share/classes/sun/net/www/protocol/http/NegotiateAuthentication.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,7 +50,6 @@ class NegotiateAuthentication extends AuthenticationInfo {
     @java.io.Serial
     private static final long serialVersionUID = 100L;
 
-    @SuppressWarnings("serial") // Not statically typed as Serializable
     private final HttpCallerInfo hci;
 
     // These maps are used to manage the GSS availability for different
@@ -71,7 +70,6 @@ class NegotiateAuthentication extends AuthenticationInfo {
     }
 
     // The HTTP Negotiate Helper
-    @SuppressWarnings("serial") // Not statically typed as Serializable
     private Negotiator negotiator = null;
 
    /**

src/java.base/unix/classes/sun/net/www/protocol/http/ntlm/NTLMAuthentication.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -120,10 +120,8 @@ public String run() {
         });
     };
 
-    @SuppressWarnings("serial") // Type of field is not Serializable
     PasswordAuthentication pw;
 
-    @SuppressWarnings("serial") // Type of field is not Serializable
     Client client;
     /**
      * Create a NTLMAuthentication:

src/jdk.net/share/classes/jdk/net/Sockets.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -303,7 +303,6 @@ static boolean isReusePortAvailable() {
         return isReusePortAvailable;
     }
 
-    @SuppressWarnings("removal")
     private static Map<Class<?>,Set<SocketOption<?>>> optionSets() {
         Map<Class<?>,Set<SocketOption<?>>> options = new HashMap<>();
         boolean incomingNapiIdsupported = PlatformSocketOptions.get().incomingNapiIdSupported();