all: don't repeat the the word "the" unnecessarily

Updates #cleanup

Change-Id: Ic1f430cd5dbf6cc1a385c59074a5d5cabe6fca57
Signed-off-by: Alex Chan <alexc@tailscale.com>

cmd/tailscale/cli/appcroutes.go

@@ -40,7 +40,7 @@ By default this command prints the domains configured in the app connector confi
 learned for each domain.
 
 --all prints the routes learned from the domains configured in the app connector configuration; and any extra routes provided
-in the the policy app connector 'routes' field.
+in the policy app connector 'routes' field.
 
 --map prints the routes learned from the domains configured in the app connector configuration.
 

cmd/tailscale/cli/tailnet-lock.go

@@ -386,7 +386,7 @@ func runTailnetLockRemove(ctx context.Context, args []string) error {
 		if isatty.IsTerminal(os.Stdout.Fd()) {
 			fmt.Printf(`Warning
 Removal of a signing key(s) without resigning nodes (--re-sign=false)
-will cause any nodes signed by the the given key(s) to be locked out
+will cause any nodes signed by the given key(s) to be locked out
 of the Tailscale network. Proceed with caution.
 `)
 			if !prompt.YesNo("Are you sure you want to remove the signing key(s)?", true) {