minor #19557 [AssetMapper] Revert " Fixing path" (OskarStark)

This PR was merged into the 6.4 branch.

Discussion
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[AssetMapper] Revert " Fixing path"

Reverts #19471

Commits
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8be8799 Revert "[AssetMapper] Fixing path"

Author: OskarStark

frontend/asset_mapper.rst

@@ -875,7 +875,7 @@ file:
         asset_mapper:
             paths:
                 - assets/
-                - vendor/babdev/pagerfanta-bundle/Resources/public/css/
+                - vendor/some/package/assets
 
 Then try the command again.