overlay profiles: Clean up introspection handling

sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/make.defaults

@@ -8,7 +8,7 @@ USE_EXPAND="${USE_EXPAND} TESTS"
 # For now this is only informational and set by coreos-go.eclass
 USE_EXPAND="${USE_EXPAND} GO_VERSION"
 
-USE="${USE} -cracklib -introspection -cups -tcpd -berkdb"
+USE="${USE} -cracklib -cups -tcpd -berkdb"
 
 # Use Python 3 as the default version
 USE="${USE} -python_single_target_python2_7 python_single_target_python3_11"

sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use

@@ -112,9 +112,6 @@ net-firewall/iptables nftables
 # Install `perl` with a minimal set of dependencies
 dev-lang/perl minimal
 
-# Remove support for GObject introspection
-sys-auth/polkit -introspection
-
 # enables ELF support to e.g. allow tc to handle BPF filters.
 sys-apps/iproute2 elf
 
@@ -165,6 +162,3 @@ sys-fs/zfs-kmod -initramfs
 # For sys-auth/sssd
 net-dns/bind       gssapi
 net-dns/bind-tools gssapi
-
-# Seems to be needed for switching from 2.78.x to 2.80.y.
-dev-libs/glib introspection

sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/use.mask

@@ -21,3 +21,6 @@ python_single_target_python3_13
 # We don't care about i10n, takes too much space, pulls in too many
 # extra dependencies.
 nls
+
+# We don't care about GObject introspection.
+introspection

sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/prod/make.defaults

@@ -18,7 +18,6 @@ INSTALL_MASK="${INSTALL_MASK}
   /usr/share/eselect
   /usr/share/gdb
   /usr/share/gettext
-  /usr/share/gobject-introspection-1.0
   /usr/share/pkgconfig
   /usr/share/readline
   /usr/src