runtime: remove nosplit directives from several Windows syscall helpers
Some of the Windows syscall helpers don't need to be nosplit. Removing
this directive will allow to add instrumentation to these functions
without having to worry about the stack size.
Change-Id: I3885621f23733af48563803c704563474010b8d3
Reviewed-on: https://go-review.googlesource.com/c/go/+/572415 Reviewed-by: Than McIntosh <thanm@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Cherry Mui <cherryyz@google.com>