Remove v2 error handler for InvalidPhoneError, no longer expect to throw this exception.

tests/app/v2/test_errors.py

@@ -1,7 +1,6 @@
 import json
 import pytest
 from flask import url_for
-from notifications_utils.recipients import InvalidPhoneError
 from sqlalchemy.exc import DataError
 
 
@@ -40,10 +39,6 @@ def app_for_test(mocker):
     def raising_data_error():
         raise DataError("There was a db problem", "params", "orig")
 
-    @blue.route("raise_phone_error", methods=["GET"])
-    def raising_invalid_phone_error():
-        raise InvalidPhoneError("The phone number is wrong")
-
     @blue.route("raise_exception", methods=["GET"])
     def raising_exception():
         raise AssertionError("Raising any old exception")
@@ -121,13 +116,3 @@ def test_internal_server_error_handler(app_for_test):
             error = json.loads(response.get_data(as_text=True))
             assert error == {"status_code": 500,
                              "errors": [{"error": "AssertionError", "message": "Internal server error"}]}
-
-
-def test_invalid_phone_error_handler(app_for_test):
-    with app_for_test.test_request_context():
-        with app_for_test.test_client() as client:
-            response = client.get(url_for("v2_under_test.raising_invalid_phone_error"))
-            assert response.status_code == 400
-            error = json.loads(response.get_data(as_text=True))
-            assert error == {"status_code": 400,
-                             "errors": [{"error": "InvalidPhoneError", "message": "The phone number is wrong"}]}