Refine VS Code docs: integrate workspace requirement more concisely

Co-authored-by: RizhongLin <59563695+RizhongLin@users.noreply.github.com>

Author: Copilot

README-EN.md

@@ -143,10 +143,7 @@ make wordcount          # word count
 
 ###### Configuring VS Code
 
-Install the LaTeX Workshop plugin in VS Code, and then open the root directory of this project.
-
-> [!IMPORTANT]
-> Make sure to **open the `tongji-undergrad-thesis` folder directly** in VS Code, rather than opening a parent folder. Otherwise, the `.vscode/settings.json` configuration file will not take effect, and the LaTeX Workshop plugin will not display the `latexmk (xelatex)` Recipe.
+Install the LaTeX Workshop plugin in VS Code, and then **open the root directory of this project directly** (i.e., the `tongji-undergrad-thesis` folder, not a parent folder, otherwise `.vscode/settings.json` will not take effect).
 
 ###### Compile Project Using Workshop Features
 

README.md

@@ -142,10 +142,7 @@ make wordcount          # wordcount
 
 ###### 配置 VS Code
 
-在 VS Code 中安装 LaTeX Workshop 插件，然后打开本项目根目录。
-
-> [!IMPORTANT]
-> 请确保在 VS Code 中**直接打开 `tongji-undergrad-thesis` 文件夹**，而不是打开其上层文件夹。否则 `.vscode/settings.json` 配置文件无法生效，LaTeX Workshop 插件将不会显示 `latexmk (xelatex)` 的 Recipe。
+在 VS Code 中安装 LaTeX Workshop 插件，然后**直接打开本项目根目录**（即 `tongji-undergrad-thesis` 文件夹，而非其上层文件夹，否则 `.vscode/settings.json` 配置无法生效）。
 
 ###### 通过 Workshop 提供的功能编译项目