Remove patch for 'ioctl'

Remove patch for 'ioctl'

This patch was introduced to modify the prototype of the
`ioctl()` function when it was exported directly from vfscore.
Now, since we want to keep the wrapper in musl, we leave the
function prototype unchanged. The patch is no longer needed.

Signed-off-by: Dragos Iulian Argint <dragosargint21@gmail.com>
Reviewed-by: Sergiu Moga <sergiu.moga@protonmail.com>
Reviewed-by: Simon Kuenzer <simon@unikraft.io>
Approved-by: Simon Kuenzer <simon@unikraft.io>
Tested-by: Unikraft CI <monkey@unikraft.io>
GitHub-Closes: #5