chore: Drop useless return;

`return;` at the end of a function is quite pointless.

Author: ChristianTackeGSI

examples/MQ/pixelAlternative/src/PixelAltFindHits.cxx

@@ -183,8 +183,6 @@ void PixelAltFindHits::GetParList(TList* tempList)
 {
     fDigiPar = new PixelDigiPar("PixelDigiParameters");
     tempList->Add(fDigiPar);
-
-    return;
 }
 
 void PixelAltFindHits::InitMQ(TList* tempList)
@@ -205,8 +203,6 @@ void PixelAltFindHits::InitMQ(TList* tempList)
     LOG(info) << ">> fPitchY      = " << fPitchY;
 
     fHits = new TClonesArray("PixelHit", 10000);
-
-    return;
 }
 
 void PixelAltFindHits::ExecMQ(TList* inputList, TList* outputList)
@@ -218,7 +214,6 @@ void PixelAltFindHits::ExecMQ(TList* inputList, TList* outputList)
     fDigis = (TClonesArray*)inputList->FindObject("PixelDigis");
     outputList->Add(fHits);
     Exec("");
-    return;
 }
 
 void PixelAltFindHits::ExecMQ(PixelPayload::Digi* digiPalVector,
@@ -241,7 +236,6 @@ void PixelAltFindHits::ExecMQ(PixelPayload::Digi* digiPalVector,
         hitPalVector[idigi].fDetectorID = digiPalVector[idigi].fDetectorID;
         nofHits++;
     }
-    return;
 }
 
 InitStatus PixelAltFindHits::Init()

examples/MQ/pixelDetector/src/FairOnlineSink.cxx

@@ -20,7 +20,7 @@
 #include <fairlogger/Logger.h>
 
 //_____________________________________________________________________________
-void FairOnlineSink::RegisterImpl(const char*, const char*, void*) { return; }
+void FairOnlineSink::RegisterImpl(const char*, const char*, void*) {}
 
 //_____________________________________________________________________________
 void FairOnlineSink::RegisterAny(const char* brname, const std::type_info& oi, const std::type_info& pi, void* obj)

examples/MQ/pixelDetector/src/FairOnlineSink.h

@@ -40,7 +40,7 @@ class FairOnlineSink : public FairSink
 
     virtual void FillEventHeader(FairEventHeader* /* feh */) {}
 
-    void SetOutTree(TTree* /* fTree */) override { return; }
+    void SetOutTree(TTree* /* fTree */) override {}
 
     void Fill() override;
 

examples/MQ/pixelDetector/src/PixelDigitize.cxx

@@ -178,8 +178,6 @@ void PixelDigitize::GetParList(TList* tempList)
 {
     fDigiPar = new PixelDigiPar("PixelDigiParameters");
     tempList->Add(fDigiPar);
-
-    return;
 }
 
 void PixelDigitize::InitMQ(TList* tempList)
@@ -200,8 +198,6 @@ void PixelDigitize::InitMQ(TList* tempList)
     LOG(info) << ">> fPitchY      = " << fPitchY;
 
     fDigis = new TClonesArray("PixelDigi", 10000);
-
-    return;
 }
 
 void PixelDigitize::ExecMQ(TList* inputList, TList* outputList)
@@ -212,7 +208,6 @@ void PixelDigitize::ExecMQ(TList* inputList, TList* outputList)
     fPoints = (TClonesArray*)inputList->FindObject("PixelPoint");
     outputList->Add(fDigis);
     Exec("");
-    return;
 }
 
 InitStatus PixelDigitize::Init()

examples/MQ/pixelDetector/src/PixelFindHits.cxx

@@ -146,8 +146,6 @@ void PixelFindHits::GetParList(TList* tempList)
 {
     fDigiPar = new PixelDigiPar("PixelDigiParameters");
     tempList->Add(fDigiPar);
-
-    return;
 }
 
 void PixelFindHits::InitMQ(TList* tempList)
@@ -168,8 +166,6 @@ void PixelFindHits::InitMQ(TList* tempList)
     LOG(info) << ">> fPitchY      = " << fPitchY;
 
     fHits = new TClonesArray("PixelHit", 10000);
-
-    return;
 }
 
 void PixelFindHits::ExecMQ(TList* inputList, TList* outputList)
@@ -181,7 +177,6 @@ void PixelFindHits::ExecMQ(TList* inputList, TList* outputList)
     fDigis = (TClonesArray*)inputList->FindObject("PixelDigis");
     outputList->Add(fHits);
     Exec("");
-    return;
 }
 
 InitStatus PixelFindHits::Init()

examples/MQ/pixelDetector/src/PixelFindTracks.cxx

@@ -151,8 +151,6 @@ void PixelFindTracks::GetParList(TList* tempList)
 {
     fDigiPar = new PixelDigiPar("PixelDigiParameters");
     tempList->Add(fDigiPar);
-
-    return;
 }
 
 void PixelFindTracks::InitMQ(TList* tempList)
@@ -162,8 +160,6 @@ void PixelFindTracks::InitMQ(TList* tempList)
 
     fTracks = new TClonesArray("PixelTrack", 10000);
     fhDist2D = new TH2F("fhDist2D", "Distance between hit and expected track", 400, -1., 1., 400, -1., 1.);
-
-    return;
 }
 
 void PixelFindTracks::ExecMQ(TList* inputList, TList* outputList)
@@ -175,7 +171,6 @@ void PixelFindTracks::ExecMQ(TList* inputList, TList* outputList)
     fHits = (TClonesArray*)inputList->FindObject("PixelHits");
     outputList->Add(fTracks);
     Exec("");
-    return;
 }
 
 InitStatus PixelFindTracks::Init()

examples/advanced/propagator/src/FairTutPropTr.cxx

@@ -97,8 +97,8 @@ void FairTutPropTr::InitPropagator()
     fPro->SetDestinationPlane(planePoint, planeVectJ, planeVectK);
 
     fPropagatorSet = true;
-    return;
 }
+
 // -------------------------------------------------------------------------
 
 // -----   Public method Exec   --------------------------------------------

fairroot/base/event/FairEventBuilderManager.cxx

@@ -70,8 +70,6 @@ void FairEventBuilderManager::Exec(Option_t*)
     // - should extract possible events
     // - is implemented by different experiments
     AnalyzeAndExtractEvents(maxEventTimeAllowed);
-
-    return;
 }
 
 Double_t FairEventBuilderManager::FillEventVectors()

fairroot/base/event/FairMultiLinkedData.cxx

@@ -195,7 +195,6 @@ void FairMultiLinkedData::InsertLink(FairLink link)
     } else {
         fLinks.insert(link);
     }
-    return;
 }
 
 void FairMultiLinkedData::InsertHistory(FairLink link)

fairroot/base/event/FairTrackParam.cxx

@@ -187,7 +187,6 @@ void FairTrackParam::SetCovariance(Int_t i, Int_t j, Double_t val)
         index = 10 + j;
     }
     fCovMatrix[index] = val;
-    return;
 }
 
 FairTrackParam& FairTrackParam::operator=(const FairTrackParam& par)