patch 8.0.1566: too many #ifdefs

Problem:    Too many #ifdefs.
Solution:   Graduate FEAT_SCROLLBIND and FEAT_CURSORBIND.
diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index b1f80f9..424bac8 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -3232,11 +3232,10 @@
 	    if (eap->cmdidx == CMD_windo)
 	    {
 		validate_cursor();	/* cursor may have moved */
-#ifdef FEAT_SCROLLBIND
+
 		/* required when 'scrollbind' has been set */
 		if (curwin->w_p_scb)
 		    do_check_scrollbind(TRUE);
-#endif
 	    }
 
 	    if (eap->cmdidx == CMD_windo || eap->cmdidx == CMD_tabdo)