It’s getting pretty hard to find a laptop with a user-accessible SO-DIMM slot to upgrade the memory. And it’s about to get a lot harder. Starting with its upcoming Lunar Lake laptop CPU series, Intel will install memory into the processor SoC itself, offering only 16GB or 32GB initially. Yes, Intel laptops are getting rid of user-replaceable RAM, at least for this series of chips. Intel is following Apple’s lead here — the latter installs memory along with its home-built, Arm-based M processors, in the same way that memory is offered on smartphones and tablets. It means that these new Intel la…