refactor(guides): remove unecessary paragraph & command

Author: ThierryRakotomanana

src/content/guides/typescript.mdx

@@ -26,9 +26,7 @@ First install the TypeScript compiler and loader by running:
 npm install --save-dev typescript ts-loader
 ```
 
-Now we'll modify the directory structure & the configuration files, we need to swap our JavaScript files over to TypeScript. Rename the core files by changing their extensions from .js to .ts as shown below:
-`.src/index.js` to `./src/index.ts`
-and `webpack.config.js` to `webpack.config.ts`
+Now we'll modify the directory structure & the configuration files:
 
 **project**