fix(auth): remove deprecated slot billing functionality (#187)

Removed slot billing command and related GraphQL mutation fields
as they are no longer supported. This simplifies the auth logic.

Author: steebchen

cli/src/command/auth/billing.rs

@@ -18,7 +18,6 @@ impl EmailArgs {
 
         let request_body = UpdateMe::build_query(Variables {
             email: Some(self.email.clone()),
-            slot_billing: None,
         });
         let res: ResponseData = client.query(&request_body).await?;
         print!("{:?}", res);

cli/src/command/auth/email.rs

@@ -1,11 +1,9 @@
 use self::{email::EmailArgs, info::InfoArgs, login::LoginArgs};
-use crate::command::auth::billing::BillingArgs;
 use crate::command::auth::fund::FundArgs;
 use crate::command::auth::transfer::TransferArgs;
 use anyhow::Result;
 use clap::Subcommand;
 
-mod billing;
 mod email;
 mod fund;
 mod info;
@@ -24,9 +22,6 @@ pub enum Auth {
     #[command(about = "Set the email address for the authenticated user.")]
     SetEmail(EmailArgs),
 
-    #[command(about = "Manage slot billing for the authenticated user.")]
-    EnableSlotBilling(BillingArgs),
-
     #[command(about = "Fund the authenticated user's account.")]
     Fund(FundArgs),
 
@@ -45,7 +40,6 @@ impl Auth {
             Auth::Info(args) => args.run().await,
             Auth::CreateSession(args) => args.run().await,
             Auth::SetEmail(args) => args.run().await,
-            Auth::EnableSlotBilling(args) => args.run().await,
             Auth::Fund(args) => args.run().await,
             Auth::Transfer(args) => args.run().await,
         }

cli/src/command/auth/mod.rs

@@ -1,13 +1,10 @@
 mutation UpdateMe(
 	$email: String
-	$slotBilling: Boolean
 ) {
 	updateMe(data: {
-		slotBilling: $slotBilling
 		email: $email
 	}) {
 		username
-		slotBilling
 		email
 	}
 }