patch 8.2.4610: some conditions are always true

Problem:    Some conditions are always true.
Solution:   Remove the useless conditions. (closes #9993)
diff --git a/src/drawscreen.c b/src/drawscreen.c
index cdfcac0..a562c4d 100644
--- a/src/drawscreen.c
+++ b/src/drawscreen.c
@@ -1950,9 +1950,8 @@
 
 	if (VIsual_active)
 	{
-	    if (VIsual_active
-		    && (VIsual_mode != wp->w_old_visual_mode
-			|| type == INVERTED_ALL))
+	    if (VIsual_mode != wp->w_old_visual_mode
+		|| type == INVERTED_ALL)
 	    {
 		// If the type of Visual selection changed, redraw the whole
 		// selection.  Also when the ownership of the X selection is