luci-base: rpc: drop offload_support call

It is superseded by the more generic getFeatures method.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

modules/luci-base/root/usr/libexec/rpcd/luci

@@ -280,13 +280,6 @@ local methods = {
 		end
 	},
 
-	offload_support = {
-		call = function()
-			local fs = require "nixio.fs"
-			return { offload_support = not not fs.access("/sys/module/xt_FLOWOFFLOAD/refcnt") }
-		end
-	},
-
 	conntrack_helpers = {
 		call = function()
 			local fd = io.open("/usr/share/fw3/helpers.conf", "r")

modules/luci-base/root/usr/share/rpcd/acl.d/luci-base.json

@@ -43,7 +43,7 @@
 		"description": "Grant access to firewall procedures",
 		"read": {
 			"ubus": {
-				"luci": [ "conntrack_helpers", "offload_support" ]
+				"luci": [ "conntrack_helpers" ]
 			},
 			"uci": [ "firewall" ]
 		},