BWDB-15952 remove error codes no longer for used for international vendor

Author: Gaurav Durgapal [C]

site/docs/numbers/errors.mdx

@@ -2245,7 +2245,6 @@ Below is a partial examples of the situations where some given errors can occur:
 | 12994 | TnTypeId must not be specified for POST action |
 | 12995 | Existing resource cannot be updated with POST. |
 | 12996 | Invalid Source specified. Valid Source values: %s |
-| 12997 | International vendor settings for vendor with id=%d already exist |
 | 12998 | Vendor with id=%d does not exist. |
 | 12999 | Account contains SIP Peers that have a Proxy Peer that has not been migrated. |
 | 13000 | One of the SIP Peers is used as proxy for migrated account. |
@@ -2256,8 +2255,6 @@ Below is a partial examples of the situations where some given errors can occur:
 | 13005 | Exceeded Max length %s for field %s |
 | 13006 | Cannot remove TnType as it is enabled on at least 1 account |
 | 13007 | The specified two letter country code is not valid: %s |
-| 13008 | The specified vendor id %d is a valid international vendor but is currently flagged as unsupported. |
-| 13009 | The specified vendor id %d is not a valid international vendor. |
 | 13011 | The format of the requested country %s is not valid |
 | 13012 | The requested operation is not valid |
 | 13013 | Currently International accounts do not support any of the Number Management features specified |
@@ -2267,7 +2264,6 @@ Below is a partial examples of the situations where some given errors can occur:
 | 13017 | Mm4 termination host(subnet) %s overlaps with addresses that are already in payload. |
 | 13018 | SMS host %s overlaps with addresses that are already in payload. |
 | 13019 | The specified country region code %s is valid, but not currently supported. |
-| 13020 | Cannot remove support for the vendor because it is in use on at least 1 account |
 | 13021 | The account ID %s is not on the customer opt-in list |
 | 13022 | Id must not be specified for POST action |
 | 13023 | IP address must be an IPv4 address in format xxx.xxx.xxx.xxx, where xxx is from 0 - 255. |