balg02: Minor adjustment and reformatting

* .guix/guix-na/config/balg02.scm: Move swap-devices to be after file-systems (file-systems
is referenced from within swap-devices). Other changes are just noop reformatting.

.guix/guix-na/config/balg02.scm

@@ -46,12 +46,6 @@
                 (serial-speed 115200)
                 (targets '("/dev/sda"))))
 
-   (swap-devices
-    (list (swap-space
-           (target "/swap/swapfile")
-           (dependencies (filter (file-system-mount-point-predicate "/swap")
-                                 file-systems)))))
-
    (file-systems (append
                   (list (file-system
                          (device (file-system-label "root"))
@@ -65,6 +59,12 @@
                          (options "subvol=@swap")))
                   %base-file-systems))
 
+   (swap-devices
+    (list (swap-space
+           (target "/swap/swapfile")
+           (dependencies (filter (file-system-mount-point-predicate "/swap")
+                                 file-systems)))))
+
    (users (cons* (user-account
                   (name %automation-user)
                   (comment "Automation User")
@@ -96,7 +96,8 @@
 
    (services
     (append
-     (list (service openssh-service-type
+     (list
+      (service openssh-service-type
 	       (openssh-configuration
 		(password-authentication? #f)
 		(authorized-keys