Musl defines `pthread_t` as `unsigned long`. This type already has a
hash template, causing a redefinition error on builds with C++
atomics/threads enabled.
Remove the offending patch.
Signed-off-by: Tu Dinh Ngoc <dinhngoc.tu@irit.fr> Reviewed-by: Radu Nichita <radunichita99@gmail.com> Approved-by: Razvan Deaconescu <razvand@unikraft.io> Tested-by: Unikraft CI <monkey@unikraft.io>
GitHub-Closes: #26