update CcminerAlexis.ps1 
https://github.com/nemosminer/ccminerAlexis78/releases

https://github.com/nemosminer/ccminerAlexis78/releases/download/Alexis78-v1.1/ccminerAlexis78-v1.1.7z

added keccakc algo so you can also delete : CcminerCornzKeccakC.ps1