pidgin/pidgin

Remove more unused Windows wrapper parts

2021-02-13, Elliott Sales de Andrade
83ce555aeb47
Remove more unused Windows wrapper parts

Remove unused Windows gettimeofday wrapper defines.
Remove struct definitions for removed `ioctl` wrapper.

Testing Done:
Compile only.

Reviewed at https://reviews.imfreedom.org/r/506/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
subprojects/*/
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?
po\/pidgin\.pot$