Add packages, simplify systemd unit

roles/tes3mp/tasks/main.yml

@@ -5,6 +5,10 @@
   block:
     - name: Set up system
       block:
+        - name: Install required packages
+          apt:
+            name:
+              - libluajit-5.1-2
         - name: Create user
           user:
             name: tes3mp

roles/tes3mp/templates/tes3mp@.service

@@ -21,7 +21,7 @@ ProtectKernelModules=true
 # Implies MountAPIVFS=yes
 ProtectControlGroups=true
 
-ExecStart=/bin/sh -c '/usr/bin/screen -DmS %i {{ tes3mp.dest }}/{{ tes3mp.name }}/tes3mp-server'
+ExecStart=/bin/sh -c '{{ tes3mp.dest }}/{{ tes3mp.name }}/tes3mp-server'
 
 Restart=on-failure