🚷Migrator removal

Migrator functions will be removed from the masterchef contract!

It is well-known that Pancakeswap can take all your money within 6 hours. Although they might not do it, the code is still present in their contract and this code could facilitate a rug-pull. We have removed the following migrator code from our contract which was forked from Pancakeswap / Uniswap. This hazardous code is still present in pancakeswap’s contract and github.

• The Migrator is often used by malicious developers/hackers to steal users' funds. :(

• This will be impossible on PolyKiwi because the migration capability will be completely removed from our code. :)

This protects users against a rug-pull situation, as well as hackers exploiting the smart contract to invoke the migrator function.