Revert "ipn,types/persist: store disallowed TKA's in prefs, lock local-disable"

This reverts commit f1130421f0.

It was submitted with failing tests (go generate checks)

Requires a lot of API changes to fix so rolling back instead of
forward.

Change-Id: I024e8885c0ed44675d3028a662f386dda811f2ad
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

cmd/tailscale/cli/network-lock.go

@@ -37,7 +37,6 @@ var netlockCmd = &ffcli.Command{
 		nlDisableCmd,
 		nlDisablementKDFCmd,
 		nlLogCmd,
-		nlLocalDisableCmd,
 	},
 	Exec: runNetworkLockStatus,
 }
@@ -349,17 +348,6 @@ func runNetworkLockDisable(ctx context.Context, args []string) error {
 	return localClient.NetworkLockDisable(ctx, secrets[0])
 }
 
-var nlLocalDisableCmd = &ffcli.Command{
-	Name:       "local-disable",
-	ShortUsage: "local-disable",
-	ShortHelp:  "Disables the currently-active tailnet lock for this node",
-	Exec:       runNetworkLockLocalDisable,
-}
-
-func runNetworkLockLocalDisable(ctx context.Context, args []string) error {
-	return localClient.NetworkLockForceLocalDisable(ctx)
-}
-
 var nlDisablementKDFCmd = &ffcli.Command{
 	Name:       "disablement-kdf",
 	ShortUsage: "disablement-kdf <hex-encoded-disablement-secret>",