cabal.project: Remove unneeded allow-newer=uuid:random
cabal.project: Remove unneeded allow-newer=uuid:random

`uuid-1.3.12` and later allow building with the latest Hackage release
of `random` at the time of writing (`random-1.2.0`), making this line in the
`cabal.project` file unnecessary.

GaloisInc/saw-script,GaloisInc/saw-script,GaloisInc/saw-script,GaloisInc/saw-script,GaloisInc/saw-script