refactor(wezterm): remove uneeded cwd_uri check

dots/.config/wezterm/config/tabbar.lua

@@ -74,18 +74,6 @@ wezterm.on("update-right-status", function(window, pane)
         cwd = cwd_uri.file_path
         ---@diagnostic disable-next-line: undefined-field
         hostname = cwd_uri.host or wezterm.hostname()
-    else
-        -- an older version of wezterm, 20230712-072601-f4abf8fd or earlier,
-        -- which doesn't have the Url object
-        cwd_uri = cwd_uri:sub(8)
-        local slash = cwd_uri:find("/")
-        if slash then
-            hostname = cwd_uri:sub(1, slash - 1)
-            -- and extract the cwd from the uri, decoding %-encoding
-            cwd = cwd_uri:sub(slash):gsub("%%(%x%x)", function(hex)
-                return string.char(tonumber(hex, 16))
-            end)
-        end
     end
 
     cwd = " " .. cwd