Remove Lisp_Misc_Save_Value

Remove Lisp_Misc_Save_Value

This type and its associated routines are no longer used.
* src/alloc.c (voidfuncptr): Move here from src/lisp.h.
(free_misc, make_save_int_int_int)
(make_save_obj_obj_obj_obj, make_save_ptr)
(make_save_ptr_int, make_save_ptr_ptr)
(make_save_funcptr_ptr_obj, make_save_memory)
(free_save_value, mark_save_value):
Remove.
(mark_object): Remove mention of Lisp_Misc_Save_Value.
* src/lisp.h (Lisp_Misc_Save_Value, SAVE_SLOT_BITS)
(SAVE_VALUE_SLOTS, SAVE_TYPE_BITS, enum Lisp_Save_Type)
(struct Lisp_Save_Value, SAVE_VALUEP, XSAVE_VALUE)
(save_type, XSAVE_POINTER, set_save_pointer)
(XSAVE_FUNCPOINTER, XSAVE_INTEGER, set_save_integer)
(XSAVE_OBJECT): Remove.
(union Lisp_Misc): Remove u_save_value.
(voidfuncptr): Move from here to src/alloc.c.
* src/print.c (print_object):
Remove support for printing Lisp_Misc_Save_Value.