chore(readme): remove yarn recommendation

nklayman · web-flow · commit eea4c9ed680d · 2021-04-02T14:43:16.000-07:00
diff --git a/README.md b/README.md
@@ -24,7 +24,7 @@ That's It! You're ready to go!
 
 ### To start a development server:
 
-If you use [Yarn](https://yarnpkg.com/en/) (strongly recommended):
+If you use [Yarn](https://yarnpkg.com/en/):
 
 `yarn electron:serve`
 
