Drop special case for PHP in allowexcept.i

Now the varinit typemaps are gone we no longer take the address of
the variable in the generated code.
diff --git a/Examples/test-suite/allowexcept.i b/Examples/test-suite/allowexcept.i
index c901295..229e65c 100644
--- a/Examples/test-suite/allowexcept.i
+++ b/Examples/test-suite/allowexcept.i
@@ -26,17 +26,6 @@
 struct XYZ {
 };
 
-// The operator& trick doesn't work for SWIG/PHP because the generated code
-// takes the address of the variable in the code in the "vinit" section.
-#ifdef SWIGPHP
-%{
-struct XYZ {
-  void foo() {}
-private:
-  XYZ& operator=(const XYZ& other); // prevent assignment used in normally generated set method
-};
-%}
-#else
 %{
 struct XYZ {
   void foo() {}
@@ -45,7 +34,6 @@
   XYZ* operator&(); // prevent dereferencing used in normally generated get method
 };
 %}
-#endif
 #if defined(SWIGUTL)
 %exception {
   /*