Remove Paperclip and use just Active Storage

spec/controllers/proposals_controller_spec.rb

@@ -8,38 +8,4 @@ describe ProposalsController do
       expect { get :index }.to raise_exception(FeatureFlags::FeatureDisabled)
     end
   end
-
-  describe "PUT update" do
-    let(:file) { Rails.root.join("spec/hacked") }
-
-    before do
-      File.delete(file) if File.exist?(file)
-      InvisibleCaptcha.timestamp_enabled = false
-    end
-
-    after { InvisibleCaptcha.timestamp_enabled = true }
-
-    it "ignores malicious cached attachments with remote storages" do
-      allow_any_instance_of(Image).to receive(:filesystem_storage?).and_return(false)
-      user = create(:user)
-      proposal = create(:proposal, author: user)
-      sign_in user
-
-      begin
-        put :update, params: {
-          id: proposal,
-          proposal: {
-            image_attributes: {
-              title: "Hacked!",
-              user_id: user.id,
-              cached_attachment: "| touch #{file}"
-            }
-          }
-        }
-      rescue StandardError
-      ensure
-        expect(file).not_to exist
-      end
-    end
-  end
 end