[Issue 18332] rt.util.random.Rand48 remove unnecessary assert

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18332

Nathan S. <n8sh.secondary at hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|rt.util.random.Rand48       |rt.util.random.Rand48
                   |remove unnecessary assert   |remove unnecessary assert
                   |and mask                    |

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