Remove code signing by default for Mac compiling (to allow third-party compiles)
Remove code signing by default for Mac compiling (to allow third-party compiles)

DoNotUseThisCodeJUSTFORKS/cryptocat,Cryptodog/cryptocat,arno01/cryptocat,arno01/cryptocat,wakermahmud/cryptocat,DoNotUseThisCodeJUSTFORKS/cryptocat,wakermahmud/cryptocat,DoNotUseThisCodeJUSTFORKS/cryptocat,Raynes/cryptocat,DGO143/cryptocat,DGO143/cryptocat,PeterDaveHello/cryptocat,Cryptodog/cryptocat,PeterDaveHello/cryptocat,Raynes/cryptocat,Raynes/cryptocat,DGO143/cryptocat