How to remove a language pack

Resolution :

Start >> Control Panel >> Clock, Language, and Region under Regional and Language Options >> Change display language
On the Keyboard and Languages tab, click Install/uninstall languages under Display language. If you are prompted for an administrator password or for confirmation, type the password, or click Continue.
Choose to install or remove languages, click Remove languages.
Under Select the languages that you want to remove, select the language that you want to remove, and then click Next.
Click the language that you want to remove, and then click Remove.