I used the following commands
SmartStorTools.bat test_regex ".*xls.*" -src E:\data >xls_metrics.txt
Review the file xls_metrics.txt
SmartStorTools.bat remove_metrics -src E:\data -metrics ".*xls.*" -dest E:\data1
SmartStorTools.bat prune E:\data1 E:\datap
Rename datap to data
Start EM
Concurrent Invocations are no longer available for any metric. They are all gone.