Revert "Rakefile: Change git push to force"

This reverts commit 7ed56e00e2273c9ec110789206d6910556cf0c53.
Revert "Rakefile: Remove "git pull" when deploying"

This reverts commit a7f8572cbe0a8a70fd439a733ef3a27a0df61704.
Revert "Rakefile: Add repository and refspec while pulling"

This reverts commit 6ab256be7567730bfaf33f7631f9b466449de768.