Remove debug-level-depending reference output

DaVinciTests/tests/qmtest/tagging.qms/test_tag_mc12.qmt

@@ -27,7 +27,6 @@ BTaggingChecker                            INFO --------------------------------
 BTaggingChecker                            INFO Tagging efficiency =      0 +/- 0 %
 BTaggingChecker                            INFO Wrong Tag fraction =   -nan +/- -nan %
 BTaggingChecker                            INFO EFFECTIVE COMB. TE =      0 +/- 0 %     (Total events=   343)
-BTaggingChecker                           DEBUG =========================================================
 """, stdout, result, causes, signature_offset = 1)
 countErrorLines({"FATAL":0})
 </text></argument>