6938230: (so) SocketAdaptor.close() does not translate IOException resulting in Error

Reviewed-by: chegar

src/share/classes/sun/nio/ch/ServerSocketAdaptor.java

@@ -144,11 +144,7 @@ public class ServerSocketAdaptor                        // package-private
     }
 
     public void close() throws IOException {
-        try {
         ssc.close();
-        } catch (Exception x) {
-            Net.translateException(x);
-        }
     }
 
     public ServerSocketChannel getChannel() {

src/share/classes/sun/nio/ch/SocketAdaptor.java

@@ -404,11 +404,7 @@ public class SocketAdaptor
     }
 
     public void close() throws IOException {
-        try {
         sc.close();
-        } catch (Exception x) {
-            Net.translateToSocketException(x);
-        }
     }
 
     public void shutdownInput() throws IOException {