Remove Equinix Metal

Equinix Metal is too expensive to dedicate a whole bare-metal
host to a single inlets tunnel.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Author: alexellis

README.md

@@ -157,14 +157,13 @@ These costs need to be treated as an estimate and will depend on your bandwidth
 
 | Provider                                                           | Price per month | Price per hour |     OS image | CPU | Memory | Boot time |
 | ------------------------------------------------------------------ | --------------: | -------------: | -----------: | --: | -----: | --------: |
-| [Google Compute Engine](https://cloud.google.com/compute)          |      *  ~\$4.28 |       ~\$0.006 | Ubuntu 20.04 | 1 | 614MB | ~3-15s |
-| [Equinix-Metal](https://metal.equinix.com/)                        |           ~\$360 |         \$0.50 | Ubuntu 20.04 |   1 |    32GB | ~45-60s  |
-| [Digital Ocean](https://www.digitalocean.com/pricing/#Compute)     |             \$5 |      ~\$0.0068 | Ubuntu 18.04 |   1 |  1GB   | ~20-30s  |
-| [Scaleway](https://www.scaleway.com/en/pricing/#virtual-instances) |           5.84€ |         0.01€ | Ubuntu 20.04 |   2 |    2GB | 3-5m     |
+| [Google Compute Engine](https://cloud.google.com/compute)          |      *  ~\$4.28 |       ~\$0.006 | Ubuntu 22.04 | 1 | 614MB | ~3-15s |
+| [Digital Ocean](https://www.digitalocean.com/pricing/#Compute)     |             \$5 |      ~\$0.0068 | Ubuntu 22.04 |   1 |  1GB   | ~20-30s  |
+| [Scaleway](https://www.scaleway.com/en/pricing/#virtual-instances) |           5.84€ |         0.01€ | Ubuntu 22.04 |   2 |    2GB | 3-5m     |
 | [Amazon Elastic Computing 2](https://calculator.aws/#/createCalculator/EC2s) |           $3.796 |         $0.0052 | Ubuntu 20.04 |   1 |    1GB | 3-5m     |
-| [Linode](https://www.linode.com/pricing/) |           $5 |         $0.0075 | Ubuntu 20.04 |   1 |    1GB | ~10-30s    |
-| [Azure](https://azureprice.net/?cores=1,1&ram=0,11400) |           $4.53	 |         $0.0062 | Ubuntu 20.04 |   1 |    0.5GB | 2-4min    |
-| [Hetzner](https://www.hetzner.com/cloud) |           4.15€	 |         €0.007 | Ubuntu 20.04 |   1 |    2GB | ~5-10s    |
+| [Linode](https://www.linode.com/pricing/) |           $5 |         $0.0075 | Ubuntu 22.04 |   1 |    1GB | ~10-30s    |
+| [Azure](https://azureprice.net/?cores=1,1&ram=0,11400) |           $4.53	 |         $0.0062 | Ubuntu 22.04 |   1 |    0.5GB | 2-4min    |
+| [Hetzner](https://www.hetzner.com/cloud) |           4.15€	 |         €0.007 | Ubuntu 22.04 |   1 |    2GB | ~5-10s    |
 
 * The first f1-micro instance in a GCP Project (the default instance type for inlets-operator) is free for 720hrs(30 days) a month
 

controller.go

@@ -756,17 +756,7 @@ func getHostConfig(c *Controller, tunnel *inletsv1alpha1.Tunnel, service *corev1
 	inletsPort := inletsPROControlPort
 
 	switch c.infraConfig.Provider {
-	case "equinix-metal":
-		host = provision.BasicHost{
-			Name:     tunnel.Name,
-			OS:       "ubuntu_20_04",
-			Plan:     "c3.small.x86",
-			Region:   c.infraConfig.Region,
-			UserData: userData,
-			Additional: map[string]string{
-				"project_id": c.infraConfig.ProjectID,
-			},
-		}
+
 	case "digitalocean":
 		host = provision.BasicHost{
 			Name:       tunnel.Name,
@@ -905,8 +895,6 @@ func getProvisioner(c *Controller) (provision.Provisioner, error) {
 	var provisioner provision.Provisioner
 
 	switch c.infraConfig.Provider {
-	case "equinix-metal":
-		provisioner, err = provision.NewEquinixMetalProvisioner(c.infraConfig.GetAccessKey())
 	case "digitalocean":
 		provisioner, err = provision.NewDigitalOceanProvisioner(c.infraConfig.GetAccessKey())
 	case "scaleway":