Revert "Added optional WHERE to show partition elimination on filesets."

This reverts commit 2b130dc1d7.

Examples/AmbulanceDemos/AmbulanceDemos/5-Ambulance-StreamSets-PartitionedTables/5.1-Ambulance-StreamSets.usql

@@ -30,7 +30,7 @@ TO "/output/vehicles_req.txt"
 USING Outputters.Csv();
 
 ////////////////////
-/*
+
 DECLARE @ADL_FILESET_OPTVID string = @ADL_DIR + "vehicle{vid}_{date:MM}{date:dd}{date:yyyy}.{*}";
 
 @data_opt = EXTRACT vehicle_id int
@@ -80,5 +80,3 @@ DECLARE @ADL_FILESET_PATH string = @ADL_DIR + "{date:yyyy}/{date:MM}/{date:dd}/v
 OUTPUT @alldata_path
 TO "/output/vehicles_path.txt"
 USING Outputters.Csv();
-
-*/