~/.xmonad: Remove xmobar.

.xmonad/xmonad.hs

main = do
    kbMap <- newIORef "us"
    xmobar <- spawnPipe "xmobar"
    xmonad $ defaultConfig {
        modMask  = mod4Mask,
        terminal = "urxvt",
                     ] <+> manageHook defaultConfig,
        -- Don't overwrite the section used by docks
        layoutHook = avoidStruts $ layoutHook defaultConfig ||| simpleTabbed,
        logHook = dynamicLogWithPP xmobarPP {
            ppOutput = hPutStrLn xmobar,
            ppTitle = xmobarColor "green" ""
        },
        handleEventHook = evHook
     } `additionalKeys` [
        ((mod4Mask, xK_b), spawnHere "chromium --allow-file-access-from-files"),