[WPE][GTK] Build with clang 21 broken

https://bugs.webkit.org/show_bug.cgi?id=304059

Reviewed by Adrian Perez de Castro.

Remove spurious LIFTETIME_BOUND annotation and un-needed includes.

* Source/WTF/wtf/glib/GMallocString.cpp:
(WTF::GMallocString::dump const):
(): Deleted.

Canonical link: https://commits.webkit.org/304353@main

Author: philn

Source/WTF/wtf/glib/GMallocString.cpp

@@ -30,14 +30,11 @@
 #include <wtf/glib/GMallocString.h>
 
 #include <wtf/PrintStream.h>
-#include <wtf/text/CStringView.h>
-#include <wtf/text/MakeString.h>
-#include <wtf/text/StringView.h>
-#include <wtf/text/WTFString.h>
 
 namespace WTF {
 
-void GMallocString::dump(PrintStream& out) const LIFETIME_BOUND {
+void GMallocString::dump(PrintStream& out) const
+{
     out.print(span());
 }