Remove empty #ifdef/#else/#endif block.

This was added (with contents) in b162af07ec759e1b. The contents were moved
elsewhere in the refactoring of ac09da3b9065d6e7, but that change failed to
remove the block it had now emptied.

diff --git a/sv.h b/sv.h
index 7f46675..78db678 100644 (file)
--- a/sv.h
+++ b/sv.h
@@ -1003,9 +1003,6 @@ the scalar's value cannot change unless written to.
            ((XPVMG*) SvANY(sv))->xmg_u.xmg_ourstash = st;      \
        } STMT_END
 
-#ifdef PERL_DEBUG_COW
-#else
-#endif
 #define SvRVx(sv) SvRV(sv)
 
 #ifdef PERL_DEBUG_COW