[japscan] updated image de-scrambling (#1100)
[japscan] updated image de-scrambling (#1100)

* [japscan] changed script name

* provisional script interception for reverse engineering

* [japscan] removed obsolete code

* [japscan] updated descramble offsets

* [japscan] removed anti-debug hack

ronny1982/hakuneko,ronny1982/hakuneko,ronny1982/hakuneko