Revert "posix: add gethostbyname(3) and assorted struct"
Revert "posix: add gethostbyname(3) and assorted struct"

This reverts commit 0d8aea145d90ab04a57e2868b0cc56693ddd7e8d.

(Due to mixed whitespace, nothing functional wrong with the commit)

rvu95/vala,spidermonkdust/vala,frida/vala,frida/vala,rvu95/vala,spidermonkdust/vala,GNOME/vala,frida/vala,GNOME/vala,frida/vala,frida/vala,rvu95/vala,GNOME/vala,spidermonkdust/vala,GNOME/vala