[ub] Remove lifetime.outside.pointer.static.cast

This UB was removed in Kona 2025.

Author: jensmaurer

source/ub.tex

@@ -178,33 +178,6 @@
 \end{codeblock}
 \end{example}
 
-\pnum
-\ubxref{lifetime.outside.pointer.static.cast}
-For a pointer pointing to an object outside of its lifetime, behavior is
-undefined if the pointer is used as the operand of a
-\tcode{static_cast}, except when the conversion
-is to pointer to \cv{}~\tcode{void}, or to pointer to \cv{}~\tcode{void}
-and subsequently to pointer to
-\cv{}~\tcode{char},
-\cv{}~\tcode{unsigned char}, or
-\cv{}~\tcode{std::byte}\iref{cstddef.syn}.
-
-\pnum
-\begin{example}
-\begin{codeblock}
-struct B {};
-struct D : B {};
-void f()
-{
-  D d;
-  B* bp = &d;
-  d.~D();
-  void* vp = bp;                // OK
-  D* dp = static_cast<D*>(bp);  // undefined behavior
-}
-\end{codeblock}
-\end{example}
-
 \pnum
 \ubxref{lifetime.outside.pointer.dynamic.cast}
 For a pointer pointing to an object outside of its lifetime, behavior is