Merge branch 'cherry-pick-3cab7e7c-21.0-mc16d' into '21.0-mc16d'

Sweeping !6237 from 21.0 to 21.0-mc16d.
Fixing checkCorrelInHIST, readTier0LARNOISE and readTier0TAGs

See merge request !6257

DataQuality/DataQualityUtils/scripts/checkCorrelInHIST.py

@@ -43,7 +43,6 @@ from ROOT import *
 # Line below commented to work with release 21. 
 # Not sure what was its purpose...
 #gROOT.Reset()
-gROOT.Reset()
 gStyle.SetPalette(1)
 gStyle.SetOptStat("em")
 

DataQuality/DataQualityUtils/scripts/readTier0LARNOISE.py

@@ -18,7 +18,7 @@ import pathExtract
 
 from ROOT import *
 
-gROOT.Reset()
+#gROOT.Reset()
 gStyle.SetPalette(1)
 gStyle.SetOptStat("em")
   

DataQuality/DataQualityUtils/scripts/readTier0TAGs.py

@@ -18,7 +18,7 @@ import pathExtract
 
 from ROOT import *
 
-gROOT.Reset()
+#gROOT.Reset()
 gStyle.SetPalette(1)
 gStyle.SetOptStat("em")