Revert "bugfix"

This reverts commit 3ae4547a3cce62b40dc5ee040792ad34c34cc09d.
Revert "update local storage when the favourite products object changes"

This reverts commit 3ef259c12157ee8fcc115c483357570a294fe32f.
Revert "close #44"

This reverts commit 3c01a777e4615e776d33c1b9d8f1f5e780382996.