Revert "absolute path in manifest"
Revert "absolute path in manifest"

This reverts commit 838ae8d3be5062cd1e038dfdf536b7ce68bc6482.

learnlearnin/learnlearnin.github.io,learnlearnin/learnlearnin.github.io,learnlearnin/learnlearnin.github.io,learnlearnin/learnlearnin.github.io