I don't think non-developers need the manual pages for the functions. crypt(5) should probably stay in the libxcrypt package, though.
libxcrypt-4.1.1-4.fc28 has been submitted as an update to Fedora 28. https://bodhi.fedoraproject.org/updates/FEDORA-2018-b393b60802
libxcrypt-4.1.1-4.fc28 has been pushed to the Fedora 28 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-b393b60802
libxcrypt-4.1.1-4.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.