fix: drop unused variables

Let's make Luacheck happy!

Signed-off-by: André Jaenisch <[email protected]>

Author: Ryuno-Ki

weather-widget/weather.lua

@@ -171,10 +171,7 @@ local function worker(user_args)
     local api_key = args.api_key
     local font_name = args.font_name or beautiful.font:gsub("%s%d+$", "")
     local units = args.units or 'metric'
-    local time_format_12h = args.time_format_12h
     local both_units_widget = args.both_units_widget or false
-    local show_hourly_forecast = args.show_hourly_forecast
-    local show_daily_forecast = args.show_daily_forecast
     local icon_pack_name = args.icons or 'weather-underground-icons'
     local icons_extension = args.icons_extension or '.png'
     local timeout = args.timeout or 120