[java] Removing check "::1"

Fixes #11159

java/src/org/openqa/selenium/net/PortProber.java

@@ -124,12 +124,7 @@ private static boolean isFree(String bindHost, int port) {
   }
 
   static int checkPortIsFree(int port) {
-    boolean localhostIsFree = isFree("localhost", port);
-    // We cannot check against all interfaces if the Grid is running inside Docker.
-    if (current.is(Platform.LINUX) && localhostIsFree) {
-      return port;
-    }
-    if (localhostIsFree && isFree("0.0.0.0", port) && isFree("::1", port)) {
+    if (isFree("localhost", port) && isFree("0.0.0.0", port)) {
       return port;
     }
     return -1;

java/test/org/openqa/selenium/net/PortProberTest.java

@@ -1,8 +1,24 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you 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
+//
+//   http://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.openqa.selenium.net;
 
 import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
-import org.openqa.selenium.Platform;
 
 import java.net.InetSocketAddress;
 import java.net.ServerSocket;
@@ -30,15 +46,6 @@ void checkPortIsFree_checksIpv4AllInterfaces() throws Exception {
         }
     }
 
-    @Test
-    void checkPortIsFree_checksIpv6Localhost() throws Exception {
-        if (!Platform.getCurrent().is(Platform.LINUX)) {
-            try (ServerSocket socket = new ServerSocket()) {
-                socket.bind(new InetSocketAddress("::1", TEST_PORT));
-                assertThat(PortProber.checkPortIsFree(TEST_PORT)).isEqualTo(-1);
-            }
-        }
-    }
 
     @Test
     void checkPortIsFree_checksIpv6AllInterfaces() throws Exception {