feat: remove duplicated purchase price page and delete as it's not used elsewhere

app/models/form/sales/pages/purchase_price.rb

@@ -1,14 +0,0 @@
-class Form::Sales::Pages::PurchasePrice < ::Form::Page
-  def initialize(id, hsh, subsection)
-    super
-    @depends_on = [
-      { "ownershipsch" => 2, "rent_to_buy_full_ownership?" => false },
-    ]
-  end
-
-  def questions
-    @questions ||= [
-      Form::Sales::Questions::PurchasePrice.new(nil, nil, self),
-    ]
-  end
-end

app/models/form/sales/subsections/discounted_ownership_scheme.rb

@@ -13,7 +13,6 @@ class Form::Sales::Subsections::DiscountedOwnershipScheme < ::Form::Subsection
       Form::Sales::Pages::ExtraBorrowingValueCheck.new("extra_borrowing_price_value_check", nil, self),
       Form::Sales::Pages::AboutPriceNotRtb.new(nil, nil, self),
       Form::Sales::Pages::GrantValueCheck.new(nil, nil, self),
-      Form::Sales::Pages::PurchasePrice.new("purchase_price_discounted_ownership", nil, self),
       Form::Sales::Pages::PurchasePriceOutrightOwnership.new("purchase_price_outright_ownership", nil, self),
       Form::Sales::Pages::DepositAndMortgageValueCheck.new("discounted_ownership_deposit_and_mortgage_value_check_after_value_and_discount", nil, self),
       Form::Sales::Pages::Mortgageused.new("mortgage_used_discounted_ownership", nil, self),

spec/models/form/sales/pages/purchase_price_spec.rb

@@ -1,35 +0,0 @@
-require "rails_helper"
-
-RSpec.describe Form::Sales::Pages::PurchasePrice, type: :model do
-  subject(:page) { described_class.new(page_id, page_definition, subsection) }
-
-  let(:page_id) { "purchase_price" }
-  let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection) }
-
-  it "has correct subsection" do
-    expect(page.subsection).to eq(subsection)
-  end
-
-  it "has correct questions" do
-    expect(page.questions.map(&:id)).to eq(%w[value])
-  end
-
-  it "has the correct id" do
-    expect(page.id).to eq("purchase_price")
-  end
-
-  it "has the correct header" do
-    expect(page.header).to be_nil
-  end
-
-  it "has the correct description" do
-    expect(page.description).to be_nil
-  end
-
-  it "has correct depends_on" do
-    expect(page.depends_on).to eq([
-      { "ownershipsch" => 2, "rent_to_buy_full_ownership?" => false },
-    ])
-  end
-end