fix(guide): simplify directory structure

guide/english/certifications/front-end-libraries/react/create-a-stateless-functional-component/index.md

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+---
+title: Create a Stateless Functional Component
+---
+## Create a Stateless Functional Component
+
+### Hint 1
+
+- Stateless functions are one of the ways to create a React component.
+- These functions can receive data and render it, but does not manage or track changes to that data.
+- To make the componenent, a stateless component, a return function is one of the necessary things and that's what is missing
+
+### Hint 2
+
+A return function is added like this
+````jsx
+return(
+    <return elements>
+);
+````
+
+### Solution
+
+````jsx
+return(
+    <div>Completed challenge!</div>
+);
+  ````