Remove special case for the error message of static properties in readonly classes

Author: kocsismate

Zend/tests/readonly_classes/readonly_class_property3.phpt

@@ -10,4 +10,4 @@ readonly class Foo
 
 ?>
 --EXPECTF--
-Fatal error: Readonly class Foo cannot declare static properties in %s on line %d
+Fatal error: Static property Foo::$bar cannot be readonly in %s on line %d

Zend/zend_compile.c

@@ -7256,12 +7256,6 @@ static void zend_compile_prop_decl(zend_ast *ast, zend_ast *type_ast, uint32_t f
 		zend_error_noreturn(E_COMPILE_ERROR, "Properties cannot be declared abstract");
 	}
 
-	if ((ce->ce_flags & ZEND_ACC_READONLY_CLASS) && (flags & ZEND_ACC_STATIC)) {
-		zend_error_noreturn(E_COMPILE_ERROR, "Readonly class %s cannot declare static properties",
-			ZSTR_VAL(ce->name)
-		);
-	}
-
 	for (i = 0; i < children; ++i) {
 		zend_property_info *info;
 		zend_ast *prop_ast = list->child[i];