revert: remove _update_ts injection as it breaks ticket scanning

gate.lua

@@ -340,8 +340,6 @@ local function httpRequest(method, url, body, headers)
   end
 end
 
-local checkGlobalUpdate = nil
-
 local function postCheck(url, payload)
   local okBody, body = pcall(textutils.serializeJSON, payload)
   if not okBody then return false end
@@ -349,7 +347,6 @@ local function postCheck(url, payload)
   if not ok then return false, data end
   local okJ, parsed = pcall(textutils.unserializeJSON, data or "")
   if not okJ then return false, data end
-  if checkGlobalUpdate then checkGlobalUpdate(parsed) end
   return true, parsed
 end
 
@@ -358,7 +355,6 @@ local function getJSON(url)
   if not ok then return false, data end
   local okJ, parsed = pcall(textutils.unserializeJSON, data or "")
   if not okJ then return false, data end
-  if checkGlobalUpdate then checkGlobalUpdate(parsed) end
   return true, parsed
 end
 
@@ -919,48 +915,6 @@ end
 
 drawReadyScreen()
 
-checkGlobalUpdate = function(parsed)
-  if type(parsed) == 'table' and parsed._update_ts then
-    local remoteTs = tonumber(parsed._update_ts)
-    if remoteTs and remoteTs > 0 then
-      local attemptFile = ".last_update_ts"
-      local tried = 0
-      if fs.exists(attemptFile) then
-        local f = fs.open(attemptFile, "r")
-        tried = tonumber(f and f.readAll() or "0") or 0
-        if f then f.close() end
-      end
-      if remoteTs > tried then
-        isUpdating = true
-        pcall(drawReadyScreen)
-        sleep(0.5)
-        
-        local f = fs.open(attemptFile, "w")
-        if f then f.write(tostring(remoteTs)); f.close() end
-        
-        local env = setmetatable({ AUTO_UPDATE_SILENT = true }, { __index = _G or getfenv() or _ENV })
-        local fn, err = loadfile("update_gate.lua", env)
-        if fn then
-          local ok, res = pcall(fn, "--silent")
-          if not ok then
-            lastUpdateError = string.sub(tostring(res), 1, 30)
-          end
-        else
-          lastUpdateError = "loadfile failed: " .. tostring(err)
-        end
-        
-        isUpdating = false
-        pcall(drawReadyScreen)
-        
-        if lastUpdateError then
-          sleep(3)
-        end
-        os.reboot()
-      end
-    end
-  end
-end
-
 local function collectInspectionDevices(side, modeBySideRef)
   local sideKnown = trimSide(side) ~= nil
   local inspectionDevs = {}