Revert "W32: Correctly set maximized window position"
Revert "W32: Correctly set maximized window position"

This is only needed for CSDs. GKT+-2.x has no CSDs, so this
code is completely unnecessary.

This reverts commit 2fdd8627ddeca60ff6fdb84cd8071580a0d1ba74.

Distrotech/gtk,Distrotech/gtk,Distrotech/gtk,Distrotech/gtk,Distrotech/gtk