patch 8.2.0853: ml_delete() often called with FALSE argument

Problem:    ml_delete() often called with FALSE argument.
Solution:   Use ml_delete_flags(x, ML_DEL_MESSAGE) when argument is TRUE.
diff --git a/src/if_mzsch.c b/src/if_mzsch.c
index 8cc2e21..bfcdbea 100644
--- a/src/if_mzsch.c
+++ b/src/if_mzsch.c
@@ -2468,7 +2468,7 @@
 	    curbuf = savebuf;
 	    raise_vim_exn(_("cannot save undo information"));
 	}
-	else if (ml_delete((linenr_T)n, FALSE) == FAIL)
+	else if (ml_delete((linenr_T)n) == FAIL)
 	{
 	    curbuf = savebuf;
 	    raise_vim_exn(_("cannot delete line"));
@@ -2597,7 +2597,7 @@
 	else
 	{
 	    for (i = 0; i < old_len; i++)
-		if (ml_delete((linenr_T)lo, FALSE) == FAIL)
+		if (ml_delete((linenr_T)lo) == FAIL)
 		{
 		    curbuf = savebuf;
 		    raise_vim_exn(_("cannot delete line"));
@@ -2665,7 +2665,7 @@
 	     */
 	    for (i = 0; i < old_len - new_len; ++i)
 	    {
-		if (ml_delete((linenr_T)lo, FALSE) == FAIL)
+		if (ml_delete((linenr_T)lo) == FAIL)
 		{
 		    curbuf = savebuf;
 		    free_array(array);