Merge pull request #9002 from acrogenesis/remove-legacy-installer-privileged-files

Repair legacy paths and privileged files left by retired installers

(cherry picked from commit 943d2fcbe9)

test/shell.d/fixtures/privileged-heredoc/safe-runtime-expansion.sh

@@ -0,0 +1,6 @@
+# \$TERM stays literal so systemd expands it at runtime; nothing is baked in.
+cat <<EOF | sudo tee /etc/systemd/system/getty@tty1.service.d/override.conf >/dev/null
+[Service]
+Environment=TERM=\$TERM
+ExecStart=-/usr/bin/agetty --noclear %I \$TERM
+EOF