Remove a now unneeded __CloudABI__ check.
Remove a now unneeded __CloudABI__ check.

CloudABI has gained the setlocale() function in the meantime, meaning
there is no longer a need to conditionalize this.



git-svn-id: 756ef344af921d95d562d9e9f9389127a89a6314@294833 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/libcxx,llvm-mirror/libcxx,llvm-mirror/libcxx,llvm-mirror/libcxx,llvm-mirror/libcxx