refactor: improve test

src/tmux_utils.sh

@@ -61,16 +61,3 @@ tmux_set_window_option_now() {
   _value="$2"
   tmux set-window-option -gq "$_option_name" "$_value"
 }
-
-# return the value of status style
-tmux_get_statusstyle() {
-  local _val
-  _val=$(tmux show-option -gqv status-style)
-  echo "$_val"
-}
-
-tmux_get_statusleft() {
-  local _val
-  _val=$(tmux show-option -gqv status-left)
-  echo "$_val"
-}