Merge branch 'remove-incorrect-docs' into 'master'

Remove docs discouraging single-line conditionals

See merge request gitlab-org/gitlab!77598

doc/development/fe_guide/style/javascript.md

@@ -189,24 +189,6 @@ are loaded dynamically with webpack.
 Do not use `innerHTML`, `append()` or `html()` to set content. It opens up too many
 vulnerabilities.
 
-## Avoid single-line conditional statements
-
-Indentation is important when scanning code as it gives a quick indication of the existence of branches, loops, and return points.
-This can help to quickly understand the control flow.
-
-```javascript
-// bad
-if (isThingNull) return '';
-
-if (isThingNull)
-  return '';
-
-// good
-if (isThingNull) {
-  return '';
-}
-```
-
 ## ESLint
 
 ESLint behavior can be found in our [tooling guide](../tooling.md).