[move-vm] remove natives unused mod file.
[move-vm] remove natives unused mod file.

Closes: #4030
Approved by: davidiw

libra/libra,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core,libra/libra,libra/libra,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core