Remove request_enrollment_code method that isn't called anywhere

app/services/usps_in_person_proofing/mock/fixtures.rb

@@ -115,10 +115,6 @@ def self.request_in_progress_proofing_results_response
         load_response_fixture('request_in_progress_proofing_results_response.json')
       end
 
-      def self.request_enrollment_code_response
-        load_response_fixture('request_enrollment_code_response.json')
-      end
-
       def self.load_response_fixture(filename)
         path = File.join(
           File.dirname(__FILE__),

app/services/usps_in_person_proofing/proofer.rb

@@ -92,25 +92,6 @@ def request_proofing_results(enrollment)
       end.body
     end
 
-    # Makes HTTP request to retrieve enrollment code
-    # If an applicant has a currently valid enrollment code, it will be returned.
-    # If they do not, a new one will be generated and returned. USPS sends the applicant an email
-    # with instructions and the enrollment code.
-    # Requires the applicant's unique ID.
-    # @param unique_id [String]
-    # @return [Hash] API response
-    def request_enrollment_code(unique_id)
-      url = "#{root_url}/ivs-ippaas-api/IPPRest/resources/rest/requestEnrollmentCode"
-      request_body = {
-        sponsorID: sponsor_id,
-        uniqueID: unique_id,
-      }
-
-      faraday.post(url, request_body, dynamic_headers) do |req|
-        req.options.context = { service_name: 'usps_enrollment_code' }
-      end.body
-    end
-
     # Makes a request to retrieve a new OAuth token, caches it, and returns it. Tokens have
     # historically had 15 minute expirys
     # @return [String] the token

spec/services/usps_in_person_proofing/proofer_spec.rb

@@ -493,50 +493,4 @@ def expect_facility_fields_to_be_present(facility)
       end
     end
   end
-
-  describe '#request_enrollment_code' do
-    let(:applicant) do
-      double(
-        'applicant',
-        unique_id: '123456789',
-      )
-    end
-
-    before(:each) do
-      stub_request_token
-    end
-
-    it 'returns enrollment information' do
-      stub_request_enrollment_code
-
-      enrollment = subject.request_enrollment_code(applicant)
-      expect(enrollment['enrollmentCode']).to be_present
-      expect(enrollment['responseMessage']).to be_present
-    end
-
-    context 'when the auth token is expired' do
-      expires_at = nil
-      let(:expires_in) { 15.minutes }
-
-      before do
-        stub_request_enrollment_code
-      end
-
-      before(:each) do
-        subject.retrieve_token!
-        expires_at = Time.zone.now + expires_in
-      end
-
-      it 'refreshes the auth token before making the request' do
-        enrollment = nil
-        travel_to(expires_at) do
-          enrollment = subject.request_enrollment_code(applicant)
-        end
-
-        expect(WebMock).to have_requested(:post, "#{root_url}/oauth/authenticate").twice
-        expect(enrollment['enrollmentCode']).to be_present
-        expect(enrollment['responseMessage']).to be_present
-      end
-    end
-  end
 end

spec/support/usps_ipp_helper.rb

@@ -337,21 +337,6 @@ def stub_request_proofing_results_with_invalid_response
     )
   end
 
-  def stub_request_enrollment_code
-    stub_request(:post, %r{/ivs-ippaas-api/IPPRest/resources/rest/requestEnrollmentCode}).to_return(
-      status: 200,
-      body: UspsInPersonProofing::Mock::Fixtures.request_enrollment_code_response,
-      headers: { 'content-type' => 'application/json' },
-    )
-  end
-
-  def stub_request_enrollment_code_with_forbidden_error
-    stub_request(
-      :post,
-      %r{/ivs-ippaas-api/IPPRest/resources/rest/requestEnrollmentCode},
-    ).to_raise(Faraday::ForbiddenError)
-  end
-
   private
 
   # Merges an object into the JSON string of a response's body and returns the updated response