Kernel: Remove unused String.h includes

This makes searching for not yet OOM safe interfaces a bit easier.

Kernel/Bus/PCI/Access.h

@@ -7,7 +7,6 @@
 #pragma once
 
 #include <AK/Bitmap.h>
-#include <AK/String.h>
 #include <AK/Vector.h>
 #include <Kernel/Bus/PCI/Definitions.h>
 #include <Kernel/FileSystem/SysFS.h>

Kernel/Bus/PCI/Definitions.h

@@ -6,11 +6,13 @@
 
 #pragma once
 
+#include <AK/Badge.h>
+#include <AK/DistinctNumeric.h>
 #include <AK/Function.h>
-#include <AK/String.h>
 #include <AK/Types.h>
 #include <AK/Vector.h>
 #include <Kernel/Debug.h>
+#include <Kernel/PhysicalAddress.h>
 
 namespace Kernel {
 

Kernel/Bus/PCI/SysFSPCI.cpp

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/String.h>
 #include <Kernel/Bus/PCI/API.h>
 #include <Kernel/Bus/PCI/Access.h>
 #include <Kernel/Bus/PCI/SysFSPCI.h>

Kernel/Bus/PCI/SysFSPCI.h

@@ -6,7 +6,6 @@
 
 #pragma once
 
-#include <AK/String.h>
 #include <AK/Vector.h>
 #include <Kernel/Bus/PCI/Definitions.h>
 #include <Kernel/FileSystem/SysFS.h>

Kernel/Bus/USB/USBDevice.cpp

@@ -5,7 +5,6 @@
  */
 
 #include <AK/OwnPtr.h>
-#include <AK/String.h>
 #include <AK/Types.h>
 #include <AK/Vector.h>
 #include <Kernel/Bus/USB/USBController.h>