style: fix eslint errors

Change-Id: Ib99b0010bcd00df3ee4e30f7c1b787cfe7d5e9ab
diff --git a/src/features/autoRefresh/nodeWatcherHandlers/threadListSetUp.handler.ts b/src/features/autoRefresh/nodeWatcherHandlers/threadListSetUp.handler.ts
index 554be00..4806ed3 100644
--- a/src/features/autoRefresh/nodeWatcherHandlers/threadListSetUp.handler.ts
+++ b/src/features/autoRefresh/nodeWatcherHandlers/threadListSetUp.handler.ts
@@ -1,5 +1,4 @@
 import CssSelectorNodeWatcherScriptHandler from '../../../common/architecture/scripts/nodeWatcher/handlers/CssSelectorNodeWatcherScriptHandler';
-import { NodeMutation } from '../../../common/nodeWatcher/NodeWatcherHandler';
 import { AutoRefreshNodeWatcherDependencies } from '../scripts/nodeWatcher.script';
 
 /**
@@ -8,7 +7,7 @@
 export default class AutoRefreshThreadListSetUpHandler extends CssSelectorNodeWatcherScriptHandler<AutoRefreshNodeWatcherDependencies> {
   cssSelector = 'ec-thread-list';
 
-  onMutatedNode(_: NodeMutation) {
+  onMutatedNode() {
     this.options.autoRefresh.setUp();
   }
 }