remove crypto balance from backend

app/graphql/mutations/create_sell_crypto_order.rb

@@ -9,10 +9,6 @@ module Mutations
       amount = BigDecimal(order[:amount])
 
       ActiveRecord::Base.transaction do
-        current_user
-          .balance
-          .withdrawal!(amount)
-
         record = SellCryptoOrder.create!(
           paid_amount: amount,
           user_id: current_user.id,

app/graphql/mutations/create_stake_order.rb

@@ -9,10 +9,6 @@ module Mutations
       amount = BigDecimal(order[:amount])
 
       ActiveRecord::Base.transaction do
-        current_user
-          .balance
-          .withdrawal!(amount)
-
         record = StakeOrder.create!(
           amount: amount,
           pool_name: order[:pool_name],

app/graphql/types/balance_type.rb

@@ -1,12 +0,0 @@
-# frozen_string_literal: true
-module Types
-  class BalanceType < Types::BaseObject
-    implements GraphQL::Types::Relay::Node
-    global_id_field :id
-
-    graphql_name "Balance"
-
-    field :id, ID, null: false
-    field :amount, String, null: false
-  end
-end

app/graphql/types/user_type.rb

@@ -11,8 +11,6 @@ module Types
     field :first_name, String, null: false
     field :last_name, String, null: false
     field :wallet_address, String, null: true
-
-    field :balance, BalanceType, null: false
     field :fiat_balance, FiatBalanceType, null: false
   end
 end

app/graphql/x_stake_schema.rb

@@ -6,8 +6,6 @@ class XStakeSchema < GraphQL::Schema
 
   def self.resolve_type(abstract_type, obj, ctx)
     case obj
-    when Balance
-      Types::BalanceType
     when FiatBalance
       Types::FiatBalanceType
     when SellCryptoOrder