clang-tidy9.0.0 added a new check: bugprone-branch-clone (https://releases.llvm.org/9.0.0/tools/clang/tools/extra/docs/ReleaseNotes.html) This doesn't like both branches of an if are the same. In this case I don't think there is any reason to do this, so I've removed it.
* Integrate Kyber-AVX2 into PQClean * Fix types and formatting in Kyber * Workaround a valgrind crash * Remove comment in shuffle.s * Remove some extraneous truncations * fixup! Fix types and formatting in Kyber