a few print_r removed

Author: yzh-pelle

php-binance-api.php

@@ -6030,8 +6030,6 @@ public function convertSend(string $fromAsset, string $toAsset, $fromAmount = nu
             'fromAsset' => $fromAsset,
             'toAsset' => $toAsset,
         ];
-        print_r(PHP_EOL);
-        print_r('convertSend' . PHP_EOL);
         if ($fromAmount) {
             $params['fromAmount'] = $fromAmount;
         } else if ($toAmount) {