[Fix]: Delete ransomware.py

[Kaiwinta]

Even if the PR don't match with the CONTRIBUTING requirements

Do NOT remove other content.

As mentioned in the issue #320 this code is not documented and can damage the computer even if the decrypt script is in the repo.

It's too dangerous and is just a call of a python lib. I would recommend having a smaller example of how the lib works like this

[diwas7777]

Please include the example code to replace this implementation of cryptograpghy