Remove redundant FSRSink declaration

Remove redundant FSRSink declaration since already defined in PyConf.

Follow LHCb!4739 (merged).

DaVinciExamples/tests/qmtest/tupling.qms/test_davinci_tupling_All_TurboSpruce.qmt

@@ -49,9 +49,9 @@
   <text>DaVinciExamples.tupling.AllFunctors_TurboSpruce:alg_config</text>
   </set></argument>
 <argument name="validator"><text>
-from Moore.qmtest.exclusions import remove_known_warnings
+from DaVinciTests.QMTest.DaVinciExclusions import preprocessor
 countErrorLines({"FATAL": 0, "WARNING": 0, "ERROR": 0},
-                stdout=remove_known_warnings(stdout))
+                stdout=preprocessor(stdout))
 
 
 findReferenceBlock("""HLTControlFlowMgr                      INFO StateTree: CFNode   #executed  #passed