Remove redraw-time option dropped in tmux 3.6

The redraw-time server option was removed in tmux 3.6. Remove it from tmux.conf to fix the invalid option error on startup.

Co-Authored-By: Claude <noreply@anthropic.com>

Author: drn

home/tmux.conf

@@ -9,8 +9,6 @@ set -sg escape-time 0
 set -g default-terminal "tmux-256color"
 # enable truecolor terminal support
 set -as terminal-features ',xterm-256color:RGB'
-# disable redraw batching for immediate screen updates
-set -g redraw-time 0
 # set history size to 10k
 set -g history-limit 100000
 # Use vim keybindings in copy mode