Remove unused E2EE messaging code (#31193)

spec/controllers/activitypub/claims_controller_spec.rb

@@ -1,19 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-RSpec.describe ActivityPub::ClaimsController do
-  let(:account) { Fabricate(:account) }
-
-  describe 'POST #create' do
-    context 'without signature' do
-      before do
-        post :create, params: { account_username: account.username }, body: '{}'
-      end
-
-      it 'returns http not authorized' do
-        expect(response).to have_http_status(401)
-      end
-    end
-  end
-end