Localize notification_utils to the API

This changeset pulls in all of the notification_utils code directly into the API and removes it as an external dependency.  We are doing this to cut down on operational maintenance of the project and will begin removing parts of it no longer needed for the API.

Signed-off-by: Carlo Costino <carlo.costino@gsa.gov>

tests/app/service/send_notification/test_send_notification.py

@@ -5,7 +5,6 @@ import pytest
 from flask import current_app, json
 from freezegun import freeze_time
 from notifications_python_client.authentication import create_jwt_token
-from notifications_utils import SMS_CHAR_COUNT_LIMIT
 
 import app
 from app.dao import notifications_dao
@@ -17,6 +16,7 @@ from app.errors import InvalidRequest
 from app.models import ApiKey, Notification, NotificationHistory, Template
 from app.service.send_notification import send_one_off_notification
 from app.v2.errors import RateLimitError
+from notifications_utils import SMS_CHAR_COUNT_LIMIT
 from tests import create_service_authorization_header
 from tests.app.db import (
     create_api_key,

tests/app/service/send_notification/test_send_one_off_notification.py

@@ -2,8 +2,6 @@ import uuid
 from unittest.mock import Mock
 
 import pytest
-from notifications_utils import SMS_CHAR_COUNT_LIMIT
-from notifications_utils.recipients import InvalidPhoneError
 
 from app.config import QueueNames
 from app.dao.service_guest_list_dao import dao_add_and_commit_guest_list_contacts
@@ -18,6 +16,8 @@ from app.enums import (
 from app.models import Notification, ServiceGuestList
 from app.service.send_notification import send_one_off_notification
 from app.v2.errors import BadRequestError
+from notifications_utils import SMS_CHAR_COUNT_LIMIT
+from notifications_utils.recipients import InvalidPhoneError
 from tests.app.db import (
     create_reply_to_email,
     create_service,