remove logging statements

Author: chreman

server/classes/headstart/preprocessing/Snapshot.php

@@ -31,20 +31,14 @@ public function __construct($ini_array, $query, $id, $service, $service_name, $v
 
         $url = "{$host}{$snap_php}?{$url_postfix}";
         $this->cmd = "{$node_path} {$getsvg} \"{$url}\" {$storage}{$post_data['file']}.png {$nodemodules}";
-        // Use 2>&1 to redirect both standard output and standard error to the same file
-        $this->cmd .= ' 2>&1';
-        error_log("Snapshot command");
-        error_log($this->cmd);
     }
 
     public function takeSnapshot() {
         if (substr(php_uname(), 0, 7) == "Windows"){
             pclose(popen("start /B ". $this->cmd, "r"));
         }
         else {
-            $output = shell_exec($this->cmd . " &");
-            error_log("Snapshot output");
-            error_log($output);
+            exec($this->cmd . " &");
         }
     }
 }