tune coherent noise filtering params

Author: lynnt20

sbndcode/WireCell/cfg/pgrapher/experiment/sbnd/chndb-base.jsonnet

@@ -57,7 +57,7 @@ function(params, anode, field, n, rms_cuts=[])
         pad_window_back: 10,  // ticks?
         decon_limit: 0.02,
         decon_limit1: 0.09,
-        adc_limit: 15,
+        adc_limit: 10,
         roi_min_max_ratio: 0.8, // default 0.8
         min_rms_cut: 1.0,  // units???
         max_rms_cut: 30.0,  // units???