Revert "ref(stories): Collapse app root (#68939)"

This reverts commit 11fbab6.

Co-authored-by: evanpurkhiser <[email protected]>

Author: getsentry-bot

Diff for: static/app/views/stories/index.tsx

@@ -34,7 +34,6 @@ export default function Stories({location}: Props) {
             <StoryTree
               files={storiesContext()
                 .files()
-                .map(s => s.replace(/^app\//, ''))
                 .filter(s => s.toLowerCase().includes(searchTerm))}
             />
           </TreeContainer>