drop secrets variabls, we use TF pass provider for those

Signed-off-by: Jakub Sokołowski <jakub@status.im>

variables.tf

@@ -1,31 +1,3 @@
-/* REQUIRED -------------------------------------*/
-
-variable "cloudflare_token" {
-  description = "Token for interacting with Cloudflare API."
-}
-
-variable "cloudflare_email" {
-  description = "Email address of Cloudflare account."
-}
-
-variable "cloudflare_account" {
-  description = "ID of CloudFlare Account."
-}
-
-variable "digitalocean_token" {
-  description = "Token for interacting with DigitalOcean API."
-}
-
-variable "digitalocean_spaces_id" {
-  description = "ID for access to DigitalOcean spaces API."
-}
-
-variable "digitalocean_spaces_key" {
-  description = "Key for access to DigitalOcean spaces API."
-}
-
-/* GENERAL --------------------------------------*/
-
 variable "public_domain" {
   description = "Domain under which the public sites go."
   default     = "status.im"