Install sample configs to /usr/share/pvc instead

Also clean up the old versions in the postinst as they are obsolete and
not needed going forward. These only ever served as reference for a
manual installation which itself is long-obsoleted, and thus can be put
somewhere less "important".

debian/pvc-daemon-api.install

@@ -1,7 +1,7 @@
 api-daemon/pvcapid.py usr/share/pvc
 api-daemon/pvcapid-manage*.py usr/share/pvc
 api-daemon/pvc-api-db-upgrade usr/share/pvc
-api-daemon/pvcapid.sample.yaml etc/pvc
+api-daemon/pvcapid.sample.yaml usr/share/pvc
 api-daemon/pvcapid usr/share/pvc
 api-daemon/pvcapid.service lib/systemd/system
 api-daemon/pvcapid-worker.service lib/systemd/system

debian/pvc-daemon-api.postinst

@@ -18,3 +18,6 @@ fi
 if [ ! -f /etc/pvc/pvcapid.yaml ]; then
     echo "NOTE: The PVC client API daemon (pvcapid.service) and the PVC provisioner worker daemon (pvcapid-worker.service) have not been started; create a config file at /etc/pvc/pvcapid.yaml, then run the database configuration (/usr/share/pvc/pvc-api-db-upgrade) and start them manually."
 fi
+
+# Clean up any old sample configs
+rm /etc/pvc/pvcapid.sample.yaml || true

debian/pvc-daemon-node.install

@@ -1,5 +1,5 @@
 node-daemon/pvcnoded.py usr/share/pvc
-node-daemon/pvcnoded.sample.yaml etc/pvc
+node-daemon/pvcnoded.sample.yaml usr/share/pvc
 node-daemon/pvcnoded usr/share/pvc
 node-daemon/pvcnoded.service lib/systemd/system
 node-daemon/pvc.target lib/systemd/system

debian/pvc-daemon-node.postinst

@@ -14,3 +14,6 @@ if systemctl is-active --quiet pvcnoded.service; then
 else
     echo "NOTE: The PVC node daemon (pvcnoded.service) has not been started; create a config file at /etc/pvc/pvcnoded.yaml then start it."
 fi
+
+# Clean up any old sample configs
+rm /etc/pvc/pvcnoded.sample.yaml || true