docs: Remove arch install

Author: jcs090218

docs/content/Getting-Started/Install-Qob/_index.en.md

@@ -88,15 +88,6 @@ automatically updated.
 $ sudo snap install qob-cli
 ```
 
-### 📦 Arch (Linux)
-
-There's a `PKGBUILD` that builds `qob` from sources and creates a package, so
-inside the top directory of the repository you can simply run:
-
-```sh
-$ makepkg -i
-```
-
 ### 📦 Chocolatey (Windows)
 
 If you have [Chocolatey][] installed on your machine, you can

docs/content/Getting-Started/Install-Qob/_index.zh-tw.md

@@ -84,14 +84,6 @@ snap 套件適用於大多數發行版，安裝簡單且會自動更新。
 $ sudo snap install qob-cli
 ```
 
-### 📦 Arch (Linux)
-
-有一個 `PKGBUILD` 可以從原始程式碼建立 `qob` 並建立一個包，因此在儲存庫的最上層目錄中您可以簡單地運行：
-
-```sh
-$ makepkg -i
-```
-
 ### 📦 Chocolatey (Windows)
 
 如果您的計算機上安裝了 [Chocolatey][]，則可以使用以下一行代碼安裝 Qob：