Remove obsolete rake task

lib/tasks/onboarding_emails.rake

@@ -1,18 +0,0 @@
-namespace :onboarding_emails do
-  desc "Send onboarding emails to private beta users"
-  task :send, %i[organisation_id] => :environment do |_task, args|
-    organisation_id = args[:organisation_id]
-    host = ENV["APP_HOST"]
-    raise "Organisation id must be provided" unless organisation_id
-    raise "Host is not set" unless host
-
-    organisation = Organisation.find(organisation_id)
-    raise "Organisation #{organisation_id} does not exist" unless organisation
-
-    organisation.users.each do |user|
-      next unless URI::MailTo::EMAIL_REGEXP.match?(user.email)
-
-      user.send_confirmation_instructions
-    end
-  end
-end

spec/lib/tasks/onboarding_emails_spec.rb

@@ -1,41 +0,0 @@
-require "rails_helper"
-require "rake"
-
-describe "rake onboarding_emails:send", type: task do
-  subject(:task) { Rake::Task["onboarding_emails:send"] }
-
-  context "when onboarding a new organisation to private beta" do
-    let!(:user) { FactoryBot.create(:user) }
-    let(:notify_client) { instance_double(Notifications::Client) }
-    let(:devise_notify_mailer) { DeviseNotifyMailer.new }
-    let(:reset_password_token) { "MCDH5y6Km-U7CFPgAMVS" }
-    let(:host) { "http://localhost:3000" }
-
-    before do
-      Rake.application.rake_require("tasks/onboarding_emails")
-      Rake::Task.define_task(:environment)
-      task.reenable
-      allow(DeviseNotifyMailer).to receive(:new).and_return(devise_notify_mailer)
-      allow(devise_notify_mailer).to receive(:notify_client).and_return(notify_client)
-      allow(notify_client).to receive(:send_email).and_return(true)
-      allow(Devise.token_generator).to receive(:generate).and_return(reset_password_token)
-      allow(ENV).to receive(:[])
-      allow(ENV).to receive(:[]).with("APP_HOST").and_return(host)
-    end
-
-    it "can send the onboarding emails" do
-      expect(notify_client).to receive(:send_email).with(
-        {
-          email_address: user.email,
-          template_id: "b48bc2cd-5887-4611-8296-d0ab3ed0e7fd",
-          personalisation: {
-            name: user.name,
-            link: "#{host}/account/password/edit?reset_password_token=#{reset_password_token}",
-          },
-        },
-      )
-
-      task.invoke(user.organisation.id)
-    end
-  end
-end