update eslint stack to ts-compatible v9

web/source/.eslintrc.js

@@ -1,31 +0,0 @@
-/*
-	GoToSocial
-	Copyright (C) GoToSocial Authors admin@gotosocial.org
-	SPDX-License-Identifier: AGPL-3.0-or-later
-
-	This program is free software: you can redistribute it and/or modify
-	it under the terms of the GNU Affero General Public License as published by
-	the Free Software Foundation, either version 3 of the License, or
-	(at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	GNU Affero General Public License for more details.
-
-	You should have received a copy of the GNU Affero General Public License
-	along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-module.exports = {
-	"extends": ["@joepie91/eslint-config/react"],
-	"parser": "@typescript-eslint/parser",
-	"plugins": ["@typescript-eslint", "license-header"],
-	"rules": {
-		"license-header/header": ["error", __dirname + "/.license-header.js"],
-		"no-console": 'error'
-	},
-	"parserOptions": {
-		"sourceType": "module"
-	}
-};