Revert "add description for net stat and limit commands"

This reverts commit 19c8ea3288.

cli/net.go

@@ -611,18 +611,8 @@ var NetBlockListCmd = &cli.Command{
 
 var NetStatCmd = &cli.Command{
 	Name:      "stat",
-	Usage:     "Report resource usage for a scope",
+	Usage:     "report resource stat for a scope",
 	ArgsUsage: "scope",
-	Description: `Report resource usage for a scope.
-
-  The scope can be one of the following:
-  - system        -- reports the system aggregate resource usage.
-  - transient     -- reports the transient resource usage.
-  - svc:<service> -- reports the resource usage of a specific service.
-  - proto:<proto> -- reports the resource usage of a specific protocol.
-  - peer:<peer>   -- reports the resource usage of a specific peer.
-  - all           -- reports the resource usage for all currently active scopes.
-`,
 	Action: func(cctx *cli.Context) error {
 		api, closer, err := GetAPI(cctx)
 		if err != nil {
@@ -651,19 +641,8 @@ var NetStatCmd = &cli.Command{
 
 var NetLimitCmd = &cli.Command{
 	Name:      "limit",
-	Usage:     "Get or set resource limits for a scope",
+	Usage:     "get or set resource limit for a scope",
 	ArgsUsage: "scope [limit]",
-	Description: `Get or set resource limits for a scope.
-
-  The scope can be one of the following:
-  - system        -- reports the system aggregate resource usage.
-  - transient     -- reports the transient resource usage.
-  - svc:<service> -- reports the resource usage of a specific service.
-  - proto:<proto> -- reports the resource usage of a specific protocol.
-  - peer:<peer>   -- reports the resource usage of a specific peer.
-
- The limit is json-formatted, with the same structure as the limits file.
-`,
 	Flags: []cli.Flag{
 		&cli.BoolFlag{
 			Name:  "set",