salt: drop PyCrypto
salt: drop PyCrypto

M2Crypto is now used by default instead of PyCryptodome/PyCrypto everywhere in Salt.
See https://docs.saltstack.com/en/latest/topics/releases/2018.3.0.html#cryptographic-layer-changes.

NeoChontrix/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages