Remove outdated framework integrations

These haven't been updated in a long time

Author: giggsey

README.md

@@ -260,8 +260,6 @@ Other packages exist that integrate libphonenumber-for-php into frameworks.
 | --------- |:-------------:|
 |Symfony|[PhoneNumberBundle](https://github.com/odolbeau/phone-number-bundle)|
 |Laravel|[Laravel Phone](https://github.com/Propaganistas/Laravel-Phone)|
-|Yii2|[PhoneInput](https://github.com/Borales/yii2-phone-input)|
-|Kohana|[PhoneNumber](https://github.com/softmediadev/kohana-phonenumber)|
 |TYPO3|[TYPO3 Phone Extension](https://github.com/simonschaufi/typo3-phone)|
 
 These packages are supplied by third parties, and their quality can not be guaranteed.