readme: remove latex package install commands (using ansible-playbook instead)

This reverts commit d36fa74a990fe78a2f65e46504b23e020f481421.

README.md

@@ -4,8 +4,6 @@
 
 ```sh
 sudo apt-get install latexmk zathura
-# optional:
-sudo apt-get install texlive-latex-extra texlive-science biber
 git clone git@git.hammerle.me:fphammerle/config-latexmk.git ~/.config/latexmk
 ln --symbolic --backup=numbered .config/latexmk/latexmkrc ~/.latexmkrc
 ```