chore(xenplatform): elf loader should async load the file (#197)

* fix(build): remove unused environment variables

* chore(xenplatform): elf loader should async load the file

resources/systemd/kratad.service

@@ -1,5 +1,5 @@
 [Unit]
-Description=Krata Control Daemon
+Description=Krata Isolation Engine
 
 [Service]
 Restart=on-failure

resources/systemd/kratanet.service

@@ -1,5 +1,5 @@
 [Unit]
-Description=Krata Networking Daemon
+Description=Krata Networking Engine
 
 [Service]
 Wants=kratad.service