Fix Lua syntax - simplify debug functions

package/src/client2server-unified.lua

@@ -100,18 +100,15 @@ local function log_debug(msg)
 end
 local function log_send(event_type, data)
     if cfg.debug then
-        local s = data:gsub("\"", "\\"")
-        if #s > 200 then s = s:sub(1, 200) .. "..." end
-        log("debug", "SEND " .. event_type .. ": " .. s)
+        log("debug", "SEND " .. event_type)
     end
 end
 local function log_recv(data)
     if cfg.debug then
-        local s = data:gsub("\"", "\\"")
-        if #s > 200 then s = s:sub(1, 200) .. "..." end
-        log("debug", "RECV data")
+        log("debug", "RECV")
     end
 end
+end
 
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 -- JSON