chore: remove unnecessary table of contents

Author: jajugoguma

README.md

@@ -9,25 +9,24 @@
 
 
 ## 🚩 Table of Contents
-- [TOAST UI Tools: Code Snippet](#toast-ui-tools-code-snippet)
-  - [🚩 Table of Contents](#-table-of-contents)
-  - [📙 Documents](#-documents)
-  - [🎨 Features](#-features)
-  - [💾 Install](#-install)
-    - [Via Package Manager](#via-package-manager)
-      - [npm](#npm)
-    - [Download Source Files](#download-source-files)
-  - [🔨 Usage](#-usage)
-    - [Bundle](#bundle)
-  - [🌏 Browser Support](#-browser-support)
-  - [🔧 Pull Request Steps](#-pull-request-steps)
-    - [Setup](#setup)
-    - [Develop](#develop)
-      - [Run karma test](#run-karma-test)
-    - [Pull Request](#pull-request)
-  - [💬 Contributing](#-contributing)
-  - [🍞 TOAST UI Family](#-toast-ui-family)
-  - [📜 License](#-license)
+
+- [📙 Documents](#-documents)
+- [🎨 Features](#-features)
+- [💾 Install](#-install)
+  - [Via Package Manager](#via-package-manager)
+    - [npm](#npm)
+  - [Download Source Files](#download-source-files)
+- [🔨 Usage](#-usage)
+  - [Bundle](#bundle)
+- [🌏 Browser Support](#-browser-support)
+- [🔧 Pull Request Steps](#-pull-request-steps)
+  - [Setup](#setup)
+  - [Develop](#develop)
+    - [Run karma test](#run-karma-test)
+  - [Pull Request](#pull-request)
+- [💬 Contributing](#-contributing)
+- [🍞 TOAST UI Family](#-toast-ui-family)
+- [📜 License](#-license)
 
 
 ## 📙 Documents