drop toml support

Signed-off-by: Alejandro Mery <amery@jpi.io>

pkg/zones/zones.go

@@ -88,12 +88,12 @@ func FilterMachines(m MachineIterator, cond func(*Machine) bool) (Machines, int)
 // Zone represents one zone in a cluster
 type Zone struct {
 	zones  *Zones
-	logger `toml:"-" json:"-" yaml:"-"`
+	logger `json:"-" yaml:"-"`
 
-	ID   int    `toml:"id"`
-	Name string `toml:"name"`
+	ID   int
+	Name string
 
-	Machines `toml:"machines"`
+	Machines
 }
 
 func (z *Zone) String() string {
@@ -147,9 +147,8 @@ type Zones struct {
 	resolver resolver.Resolver
 	domain   string
 
-	CephFSID uuid.UUID `toml:"ceph_fsid,omitempty" json:"ceph_fsid,omitempty" yaml:"ceph_fsid,omitempty"`
-
-	Zones []*Zone `toml:"zones"`
+	CephFSID uuid.UUID `json:"ceph_fsid,omitempty" yaml:"ceph_fsid,omitempty"`
+	Zones    []*Zone
 }
 
 // revive:enable:line-length-limit