Remove the tmux theme.

It causes tmux in the workbench and in ns1 to complain.

.tmux.conf

 bind-key b send-prefix
 set -g set-titles on
 set -g set-titles-string '#T'
-#### COLOUR (Solarized dark)
-
-# default statusbar colors
-set-option -g status-bg black #base02
-set-option -g status-fg yellow #yellow
-## set-option -g status-attr default
-
-# default window title colors
-## set-window-option -g window-status-fg brightblue #base0
-set-window-option -g window-status-bg default
-#set-window-option -g window-status-attr dim
-
-# active window title colors
-## set-window-option -g window-status-current-fg brightred #orange
-set-window-option -g window-status-current-bg default
-#set-window-option -g window-status-current-attr bright
-
-# pane border
-## set-option -g pane-border-fg black #base02
-## set-option -g pane-active-border-fg brightgreen #base01
-
-# message text
-## set-option -g message-bg black #base02
-## set-option -g message-fg brightred #orange
-
-# pane number display
-set-option -g display-panes-active-colour blue #blue
-set-option -g display-panes-colour brightred #orange
-
-# clock
-set-window-option -g clock-mode-colour green #green
-
-# bell
-set-window-option -g window-status-bell-style fg=black,bg=red #base02, red