patch 8.1.0806: too many #ifdefs

Problem:    Too many #ifdefs.
Solution:   Graduate FEAT_MBYTE, part 2.
diff --git a/src/move.c b/src/move.c
index 493f1de..dff3bb0 100644
--- a/src/move.c
+++ b/src/move.c
@@ -934,7 +934,7 @@
 }
 
 /*
- * compute curwin->w_wcol and curwin->w_virtcol.
+ * Compute curwin->w_wcol and curwin->w_virtcol.
  * Also updates curwin->w_wrow and curwin->w_cline_row.
  * Also updates curwin->w_leftcol.
  */
@@ -2845,11 +2845,9 @@
 		validate_cursor();
 # endif
 	    restart_edit = restart_edit_save;
-# ifdef FEAT_MBYTE
 	    /* Correct cursor for multi-byte character. */
 	    if (has_mbyte)
 		mb_adjust_cursor();
-# endif
 	    redraw_later(VALID);
 
 	    /* Only scroll when 'scrollbind' hasn't done this. */