hst: remove enablement json adapter

The go116 behaviour of built-in new function makes this cleaner.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/system/xhost.go

@@ -5,7 +5,8 @@ import (
 	"hakurei.app/internal/xcb"
 )
 
-// ChangeHosts inserts the target user into X11 hosts and deletes it once its [Enablement] is no longer satisfied.
+// ChangeHosts inserts the target user into X11 hosts and deletes it once its
+// [hst.Enablements] is no longer satisfied.
 func (sys *I) ChangeHosts(username string) *I {
 	sys.ops = append(sys.ops, xhostOp(username))
 	return sys
@@ -14,7 +15,7 @@ func (sys *I) ChangeHosts(username string) *I {
 // xhostOp implements [I.ChangeHosts].
 type xhostOp string
 
-func (x xhostOp) Type() hst.Enablement { return hst.EX11 }
+func (x xhostOp) Type() hst.Enablements { return hst.EX11 }
 
 func (x xhostOp) apply(sys *I) error {
 	sys.msg.Verbosef("inserting entry %s to X11", x)