AK: Rename <AK/AKString.h> to <AK/String.h>

This was a workaround to be able to build on case-insensitive file
systems where it might get confused about <string.h> vs <String.h>.

Let's just not support building that way, so String.h can have an
objectively nicer name. :^)

Libraries/LibGUI/GAction.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <AK/AKString.h>
+#include <AK/String.h>
 #include <AK/Badge.h>
 #include <AK/Function.h>
 #include <AK/HashTable.h>

Libraries/LibGUI/GButton.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <AK/AKString.h>
+#include <AK/String.h>
 #include <AK/Function.h>
 #include <LibGUI/GAbstractButton.h>
 #include <LibDraw/GraphicsBitmap.h>

Libraries/LibGUI/GCheckBox.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <AK/AKString.h>
+#include <AK/String.h>
 #include <AK/Function.h>
 #include <LibGUI/GAbstractButton.h>
 

Libraries/LibGUI/GClipboard.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <AK/AKString.h>
+#include <AK/String.h>
 
 class GClipboard {
 public:

Libraries/LibGUI/GDesktop.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <AK/AKString.h>
+#include <AK/String.h>
 #include <AK/Badge.h>
 #include <AK/Function.h>
 #include <LibDraw/Rect.h>

Libraries/LibGUI/GFontDatabase.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <AK/AKString.h>
+#include <AK/String.h>
 #include <AK/Function.h>
 #include <AK/HashMap.h>
 

Libraries/LibGUI/GMenuItem.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <AK/AKString.h>
+#include <AK/String.h>
 #include <AK/Badge.h>
 #include <AK/NonnullOwnPtr.h>
 #include <AK/OwnPtr.h>

Libraries/LibGUI/GModel.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <AK/AKString.h>
+#include <AK/String.h>
 #include <AK/Badge.h>
 #include <AK/Function.h>
 #include <AK/HashTable.h>

Libraries/LibGUI/GModelIndex.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <AK/AKString.h>
+#include <AK/String.h>
 #include <AK/LogStream.h>
 
 class GModel;

Libraries/LibGUI/GShortcut.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <AK/AKString.h>
+#include <AK/String.h>
 #include <AK/Traits.h>
 #include <Kernel/KeyCode.h>
 

Libraries/LibGUI/GVariant.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <AK/AKString.h>
+#include <AK/String.h>
 #include <LibGUI/GIcon.h>
 #include <LibDraw/GraphicsBitmap.h>
 

Libraries/LibGUI/GWidget.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <AK/AKString.h>
+#include <AK/String.h>
 #include <AK/Badge.h>
 #include <AK/HashMap.h>
 #include <LibCore/CElapsedTimer.h>

Libraries/LibGUI/GWindow.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <AK/AKString.h>
+#include <AK/String.h>
 #include <AK/HashMap.h>
 #include <AK/WeakPtr.h>
 #include <LibCore/CObject.h>