tmux: Update tmux-resurrect

With commit dd36a4561b0b ("use XDG_DATA_HOME for resurrect-dir path")
the default location of resurrect-dir changed to
$XDG_DATA_HOME/tmux/resurrect as long as $HOME/.tmux does not exist.
This makes manually hard-coding resurrect-dir obsolete.

.config/tmux/tmux.conf

@@ -208,9 +208,6 @@ set -g @plugin 'tmux-plugins/tmux-sensible'
 set -g @plugin 'tmux-plugins/tpm'
 set -g @plugin 'vim-tmux-navigator'
 
-# XDG compliance
-# NOTE: Does not support environment variables except for HOME and HOSTNAME
-set -g @resurrect-dir "$HOME/.local/share/tmux/resurrect"
 # Capture pane content
 set -g @resurrect-capture-pane-contents 'on'
 # Change keybindings