[APFloat] Remove 'else' after return. NFC

Reviewers: kbarton, iteratee, hfinkel, echristo

Subscribers: mehdi_amini, llvm-commits

Differential Revision: https://reviews.llvm.org/D27934

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290232 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed