Remove NumValidate, it's broken

resolve #1981

README.md

@@ -853,7 +853,6 @@ API | Description | Auth | HTTPS | CORS |
 | [Abstract Phone Validation](https://www.abstractapi.com/phone-validation-api) | Validate phone numbers globally | `apiKey` | Yes | Yes |
 | [apilayer numverify](https://numverify.com) | Phone number validation | `apiKey` | Yes | Unknown |
 | [Cloudmersive Validate](https://cloudmersive.com/phone-number-validation-API) | Validate international phone numbers | `apiKey` | Yes | Yes |
-| [NumValidate](https://numvalidate.com) | Open Source phone number validation | No | Yes | Unknown |
 
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