Revert "Update diagnostics"

This reverts commit 854a02b63f.

emhttp/plugins/dynamix/scripts/diagnostics

@@ -48,6 +48,7 @@ function write(...$messages){
   foreach ($messages as $message) publish('diagnostics', $message);
 }
 
+// Modify run function to include error logging
 function run($cmd, &$save=null, $timeout=30) {
   // output command for display
   write($cmd);