Chore: remove from docs how to install via VueCLI (#2000)

ota-meshi · web-flow · commit 2e544728152e · 2022-10-04T08:40:34.000+09:00
diff --git a/docs/user-guide/README.md b/docs/user-guide/README.md
@@ -2,12 +2,6 @@
 
 ## :cd: Installation
 
-Via `vue-cli` (**Recommended**):
-
-```bash
-vue add @vue/cli-plugin-eslint
-```
-
 Via [npm](https://www.npmjs.com/):
 
 ```bash
