remove BlacklistController from disk state

app/scripts/metamask-controller.js

@@ -86,9 +86,7 @@ module.exports = class MetamaskController extends EventEmitter {
     })
     this.infuraController.scheduleInfuraNetworkCheck()
 
-    this.blacklistController = new BlacklistController({
-      initState: initState.BlacklistController,
-    })
+    this.blacklistController = new BlacklistController()
     this.blacklistController.scheduleUpdates()
 
     // rpc provider
@@ -200,9 +198,6 @@ module.exports = class MetamaskController extends EventEmitter {
     this.networkController.store.subscribe((state) => {
       this.store.updateState({ NetworkController: state })
     })
-    this.blacklistController.store.subscribe((state) => {
-      this.store.updateState({ BlacklistController: state })
-    })
     this.recentBlocksController.store.subscribe((state) => {
       this.store.updateState({ RecentBlocks: state })
     })

app/scripts/migrations/index.js

@@ -31,4 +31,5 @@ module.exports = [
   require('./018'),
   require('./019'),
   require('./020'),
+  require('./021'),
 ]