Revert "Set theme jekyll-theme-merlot"
Revert "Set theme jekyll-theme-merlot"

This reverts commit e9dc0041a77286aa1664dc12dd1b01d8d1f1edfe.

Ali-Kiyan/Ali-Kiyan.github.io,Ali-Kiyan/Ali-Kiyan.github.io,Ali-Kiyan/Ali-Kiyan.github.io