Everywhere: Refer to `dlfcn*.h` by its non-prefixed name

Tests/LibELF/TestDlOpen.cpp

@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibDl/dlfcn.h>
 #include <LibTest/TestCase.h>
+#include <dlfcn.h>
 
 TEST_CASE(test_dlopen)
 {

Userland/Libraries/LibC/dlfcn.cpp

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibDl/dlfcn_integration.h>
+#include <dlfcn_integration.h>
 
 // These are used by libdl and are filled in by the dynamic loader.
 DlCloseFunction __dlclose;

Userland/Libraries/LibC/regex.cpp

@@ -5,8 +5,8 @@
  */
 
 #include <AK/Assertions.h>
-#include <LibDl/dlfcn.h>
-#include <LibDl/dlfcn_integration.h>
+#include <dlfcn.h>
+#include <dlfcn_integration.h>
 #include <pthread.h>
 #include <regex.h>
 

Userland/Libraries/LibDl/dlfcn.cpp

@@ -6,8 +6,8 @@
 
 #include <AK/String.h>
 #include <AK/Types.h>
-#include <LibDl/dlfcn.h>
-#include <LibDl/dlfcn_integration.h>
+#include <dlfcn.h>
+#include <dlfcn_integration.h>
 #include <string.h>
 
 // FIXME: use thread_local and a String once TLS works

Userland/Libraries/LibELF/DynamicLinker.cpp

@@ -19,13 +19,13 @@
 #include <LibC/link.h>
 #include <LibC/sys/mman.h>
 #include <LibC/unistd.h>
-#include <LibDl/dlfcn.h>
-#include <LibDl/dlfcn_integration.h>
 #include <LibELF/AuxiliaryVector.h>
 #include <LibELF/DynamicLinker.h>
 #include <LibELF/DynamicLoader.h>
 #include <LibELF/DynamicObject.h>
 #include <LibELF/Hashes.h>
+#include <dlfcn.h>
+#include <dlfcn_integration.h>
 #include <fcntl.h>
 #include <pthread.h>
 #include <string.h>

Userland/Libraries/LibELF/DynamicLoader.cpp

@@ -11,13 +11,13 @@
 #include <AK/Optional.h>
 #include <AK/QuickSort.h>
 #include <AK/StringBuilder.h>
-#include <LibDl/dlfcn.h>
-#include <LibDl/dlfcn_integration.h>
 #include <LibELF/DynamicLinker.h>
 #include <LibELF/DynamicLoader.h>
 #include <LibELF/Hashes.h>
 #include <LibELF/Validation.h>
 #include <assert.h>
+#include <dlfcn.h>
+#include <dlfcn_integration.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>

Userland/Libraries/LibELF/DynamicLoader.h

@@ -12,9 +12,9 @@
 #include <AK/RefCounted.h>
 #include <AK/String.h>
 #include <LibC/elf.h>
-#include <LibDl/dlfcn_integration.h>
 #include <LibELF/DynamicObject.h>
 #include <LibELF/Image.h>
+#include <dlfcn_integration.h>
 #include <sys/mman.h>
 
 namespace ELF {

Userland/Libraries/LibGPU/Driver.cpp

@@ -7,12 +7,8 @@
 #include <AK/HashMap.h>
 #include <AK/String.h>
 #include <AK/WeakPtr.h>
-#ifdef __serenity__
-#    include <LibDl/dlfcn.h>
-#else
-#    include <dlfcn.h>
-#endif
 #include <LibGPU/Driver.h>
+#include <dlfcn.h>
 
 namespace GPU {