refactor(locale): simplify

BREAKING CHANGE (kind of)
Remove user-selection for locales. Adds mostly unnecessary complexity,
and most people don't want to bother with it anyway.

Locale is always based on the convar "ox:locale" instead.

resource/locale/server.lua

@@ -1,33 +0,0 @@
-do
-	local locales = {}
-	local system = os.getenv('OS')
-	local command = system and system:match('Windows') and 'dir "' or 'ls "'
-	local path = GetResourcePath(lib.name)
-	local types = path:gsub('//', '/') .. '/locales'
-	local suffix = command == 'dir "' and '/" /b' or '/"'
-	local dir = io.popen(command .. types .. suffix)
-
-	if dir then
-		for line in dir:lines() do
-			local file = line:gsub('([%a%-]+).json', '%1')
-			
-			if file then
-				locales[#locales+1] = file
-			end
-		end
-		dir:close()
-	end
-
-	GlobalState.locales = locales
-end
-
-RegisterCommand('serverlocale', function(_, args, _)
-	if args?[1] then
-		SetResourceKvp('locale', args[1])
-		TriggerEvent('ox_lib:setLocale', args[1])
-	end
-end, true)
-
-function lib.getServerLocale()
-	return GetResourceKvpString('locale') or 'en'
-end