patch 8.1.0226: too many #ifdefs

Problem:    Too many #ifdefs.
Solution:   Graduate the +vreplace feature, it's not much code and quite a few
            #ifdefs.
diff --git a/src/macros.h b/src/macros.h
index c91b4b6..1654e3e 100644
--- a/src/macros.h
+++ b/src/macros.h
@@ -235,11 +235,7 @@
 # define TIME_MSG(s) do { /**/ } while (0)
 #endif
 
-#ifdef FEAT_VREPLACE
-# define REPLACE_NORMAL(s) (((s) & REPLACE_FLAG) && !((s) & VREPLACE_FLAG))
-#else
-# define REPLACE_NORMAL(s) ((s) & REPLACE_FLAG)
-#endif
+#define REPLACE_NORMAL(s) (((s) & REPLACE_FLAG) && !((s) & VREPLACE_FLAG))
 
 #ifdef FEAT_ARABIC
 # define UTF_COMPOSINGLIKE(p1, p2)  utf_composinglike((p1), (p2))