Remove useless lines

wzshiming · wzshiming · commit 869375a413c8 · 2021-05-20T16:19:09.000+08:00
Signed-off-by: Shiming Zhang &lt;wzshiming@foxmail.com&gt;
diff --git a/cmd/gen-manpages/main.go b/cmd/gen-manpages/main.go
@@ -57,7 +57,6 @@ func run() error {
 
 	// clear out the usage as we use banners that do not display in man pages
 	appName.Usage = ""
-	appName.ToMan()
 	data, err := appName.ToMan()
 	if err != nil {
 		return err
