Revert "ginputstream: Add missing (out) annotations to read() functions"
Revert "ginputstream: Add missing (out) annotations to read() functions"

This reverts commit 8446ee8c2039f233c084f0321f52f664941e4186.

johne53/MB3Glib,johne53/MB3Glib,johne53/MB3Glib,endlessm/glib,endlessm/glib,endlessm/glib,johne53/MB3Glib,johne53/MB3Glib,endlessm/glib,endlessm/glib,johne53/MB3Glib