cmds(help): fix swarm filter add/rm help text

These _are_ added/removed from the config.

fixes #4605

core/commands/swarm.go

@@ -585,8 +585,6 @@ var swarmFiltersAddCmd = &cmds.Command{
 		Tagline: "Add an address filter.",
 		ShortDescription: `
 'ipfs swarm filters add' will add an address filter to the daemons swarm.
-Filters applied this way will not persist daemon reboots, to achieve that,
-add your filters to the ipfs config file.
 `,
 	},
 	Arguments: []cmds.Argument{
@@ -649,8 +647,6 @@ var swarmFiltersRmCmd = &cmds.Command{
 		Tagline: "Remove an address filter.",
 		ShortDescription: `
 'ipfs swarm filters rm' will remove an address filter from the daemons swarm.
-Filters removed this way will not persist daemon reboots, to achieve that,
-remove your filters from the ipfs config file.
 `,
 	},
 	Arguments: []cmds.Argument{