fix(bash): use git directly instead of function in shutdown script (#119)

Reviewed-on: https://codeberg.org/vlw/dotfiles/pulls/119

.local/bin/scripts/shutdown.sh

@@ -29,7 +29,7 @@ zip -9 $file $HOME/.bash_history
 # Add the file to git and upload to remote
 git add $file
 git -c commit.gpgsign=false commit -m "add($(hostname)): '$file'"
-gitf u
+git push origin master
 
 # Empty the .bash_history file for next session
 : > $HOME/.bash_history