Remove remove_invalid arg from ARD

Author: pbashyal-nmdp

scripts/pyard-reduce-csv

@@ -170,7 +170,7 @@ if __name__ == '__main__':
         sys.exit(1)
 
     # Instantiate py-ard object with the latest
-    ard = pyard.ARD(remove_invalid=False)
+    ard = pyard.ARD()
 
     # Read the Input File
     # Read only the columns to be saved.