Revert "Workaround to always allow named pipes on windows"

This reverts commit c81d28d.

Author: mosche

libs/entitlement/src/main/java/org/elasticsearch/entitlement/runtime/api/ElasticsearchEntitlementChecker.java

@@ -1118,19 +1118,9 @@ public void checkSelectorProviderInheritedChannel(Class<?> callerClass, Selector
         policyManager.checkFileWrite(callerClass, file);
     }
 
-    private static final boolean IS_WINDOWS = System.getProperty("os.name", "").startsWith("Windows");
-
-    private static boolean isNamedPipe(String fileName) {
-        return IS_WINDOWS && fileName.startsWith("\\\\.\\pipe\\");
-    }
-
     @Override
     public void check$java_io_FileInputStream$(Class<?> callerClass, File file) {
-        if (isNamedPipe(file.getAbsolutePath())) {
-            return;
-        }
         policyManager.checkFileRead(callerClass, file);
-
     }
 
     @Override
@@ -1140,41 +1130,26 @@ private static boolean isNamedPipe(String fileName) {
 
     @Override
     public void check$java_io_FileInputStream$(Class<?> callerClass, String name) {
-        if (isNamedPipe(name)) {
-            return;
-        }
         policyManager.checkFileRead(callerClass, new File(name));
     }
 
     @Override
     public void check$java_io_FileOutputStream$(Class<?> callerClass, String name) {
-        if (isNamedPipe(name)) {
-            return;
-        }
         policyManager.checkFileWrite(callerClass, new File(name));
     }
 
     @Override
     public void check$java_io_FileOutputStream$(Class<?> callerClass, String name, boolean append) {
-        if (isNamedPipe(name)) {
-            return;
-        }
         policyManager.checkFileWrite(callerClass, new File(name));
     }
 
     @Override
     public void check$java_io_FileOutputStream$(Class<?> callerClass, File file) {
-        if (isNamedPipe(file.getAbsolutePath())) {
-            return;
-        }
         policyManager.checkFileWrite(callerClass, file);
     }
 
     @Override
     public void check$java_io_FileOutputStream$(Class<?> callerClass, File file, boolean append) {
-        if (isNamedPipe(file.getAbsolutePath())) {
-            return;
-        }
         policyManager.checkFileWrite(callerClass, file);
     }