clean up mock_s3_download

tests/app/main/views/test_send.py

@@ -483,7 +483,6 @@ def test_send_messages_sanitises_and_truncates_file_name_for_metadata(
     service_one,
     mocker,
     mock_get_service_template_with_placeholders,
-    mock_s3_download,
     mock_get_job_doesnt_exist,
     fake_uuid,
 ):
@@ -1620,7 +1619,6 @@ def test_send_one_off_redirects_to_start_if_index_out_of_bounds_and_some_placeho
     service_one,
     fake_uuid,
     mock_get_service_email_template,
-    mock_s3_download,
     mock_get_users_by_service,
     mock_get_service_statistics,
     mock_has_no_jobs,
@@ -2016,11 +2014,11 @@ def test_test_message_can_only_be_sent_now(
     mocker,
     service_one,
     mock_get_service_template,
-    mock_s3_download,
     mock_get_users_by_service,
     mock_get_service_statistics,
     mock_get_job_doesnt_exist,
     mock_get_jobs,
+    mock_s3_download,
     fake_uuid,
 ):
 
@@ -3009,7 +3007,6 @@ def test_reply_to_is_previewed_if_chosen(
     client_request,
     mocker,
     mock_get_service_email_template,
-    mock_s3_download,
     mock_get_users_by_service,
     mock_get_service_statistics,
     mock_get_job_doesnt_exist,
@@ -3064,7 +3061,6 @@ def test_sms_sender_is_previewed(
     client_request,
     mocker,
     mock_get_service_template,
-    mock_s3_download,
     mock_get_users_by_service,
     mock_get_service_statistics,
     mock_get_job_doesnt_exist,