Drop unused code

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Drop unused code

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Drop unused code

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
No print function in TortoiseGitBlame

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Remove unneeded Windows version checks

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>