refactor(core): Update rule typescript-eslint/no-unused-vars to not error when variable starts with _ (#4523)

* ⚡ rule and fixes

* ⚡ clean up

packages/nodes-base/nodes/Segment/GenericFunctions.ts

@@ -6,7 +6,7 @@ import {
 	ILoadOptionsFunctions,
 	IWebhookFunctions,
 } from 'n8n-core';
-import { IDataObject, NodeApiError, NodeOperationError } from 'n8n-workflow';
+import { IDataObject, NodeApiError } from 'n8n-workflow';
 
 export async function segmentApiRequest(
 	this:
@@ -20,7 +20,7 @@ export async function segmentApiRequest(
 	body: any = {}, // tslint:disable-line:no-any
 	qs: IDataObject = {},
 	uri?: string,
-	option: IDataObject = {},
+	_option: IDataObject = {},
 	// tslint:disable-next-line:no-any
 ): Promise<any> {
 	const options: OptionsWithUri = {

packages/nodes-base/nodes/Segment/Segment.node.ts

@@ -74,7 +74,6 @@ export class Segment implements INodeType {
 		const items = this.getInputData();
 		const returnData: IDataObject[] = [];
 		const length = items.length;
-		const qs: IDataObject = {};
 		let responseData;
 		const resource = this.getNodeParameter('resource', 0) as string;
 		const operation = this.getNodeParameter('operation', 0) as string;