chore: remove unnecessary task that cleared tmux.conf before deploying a new...

chore: remove unnecessary task that cleared tmux.conf before deploying a new one (was introduced for migration purposes)

tasks/configure_tmux.yml

 ---
-- name: clear tmux config
-  file:
-    path: "/etc/tmux.conf"
-    state: absent
-
 - name: Enable mouse mode in tmux, increase scrollback buffer to 10.000 (newer OSses)
   blockinfile:
     path: "/etc/tmux.conf"