luacheck fixes

graphics/element.lua

@@ -3,7 +3,6 @@
 --
 
 local util = require("scada-common.util")
-local log  = require("scada-common.log")
 
 local core = require("graphics.core")
 

graphics/elements/indicators/icon.lua

@@ -1,7 +1,6 @@
 -- Icon Indicator Graphics Element
 
 local element = require("graphics.element")
-local util    = require("scada-common.util")
 
 ---@class icon_sym_color
 ---@field color cpair

pocket/iocontrol.lua

@@ -674,10 +674,7 @@ function iocontrol.record_unit_data(data)
         local reactor_status = 1
         local rps_status = 1
 
-        if not unit.connected then
-            -- disconnected
-            reactor_status = 1
-        else
+        if unit.connected then
             -- update RPS status
             if unit.reactor_data.rps_tripped then
                 control_status = 2