Remove link from v2 error response

tests/app/notifications/test_validators.py

@@ -52,7 +52,6 @@ def test_check_template_is_for_notification_type_fails_when_template_type_does_n
     assert e.value.code == 10400
     error_message = '{0} template is not suitable for {1} notification'.format(template_type, notification_type)
     assert e.value.message == error_message
-    assert e.value.link == 'link to documentation'
     assert e.value.fields == [{'template': error_message}]
 
 
@@ -69,7 +68,6 @@ def test_check_template_is_active_fails(sample_template):
     assert e.value.status_code == 400
     assert e.value.code == 10400
     assert e.value.message == 'Template has been deleted'
-    assert e.value.link == "link to documentation"
     assert e.value.fields == [{'template': 'Template has been deleted'}]
 
 
@@ -124,7 +122,6 @@ def test_service_can_send_to_recipient_fails_when_recipient_is_not_on_team(recip
     assert exec_info.value.status_code == 400
     assert exec_info.value.code == 10400
     assert exec_info.value.message == error_message
-    assert exec_info.value.link == 'link to documentation'
     assert exec_info.value.fields == []
 
 
@@ -137,7 +134,6 @@ def test_service_can_send_to_recipient_fails_when_mobile_number_is_not_on_team(n
     assert e.value.status_code == 400
     assert e.value.code == 10400
     assert e.value.message == 'Can’t send to this recipient using a team-only API key'
-    assert e.value.link == 'link to documentation'
     assert e.value.fields == []
 
 
@@ -154,5 +150,4 @@ def test_check_sms_content_char_count_fails(char_count, notify_api):
     assert e.value.code == 10400
     assert e.value.message == 'Content for template has a character count greater than the limit of {}'.format(
         notify_api.config['SMS_CHAR_COUNT_LIMIT'])
-    assert e.value.link == 'link to documentation'
     assert e.value.fields == []