[libc] [llvm] [libc][math] Refactor f16sqrtl to Header Only. (PR #176333)

[via llvm-commits]

================
@@ -1,4 +1,4 @@
-//===-- Implementation of f16sqrtl function -------------------------------===//
+//===-- Implementation of f16sqrt function --------------------------------===//
----------------
AnonMiraj wrote:

```suggestion
//===-- Implementation of f16sqrtl function -------------------------------===//
```

https://github.com/llvm/llvm-project/pull/176333