more linter errors fixed

Author: glegras

PWGDQ/Core/CutsLibrary.cxx

@@ -7973,9 +7973,10 @@ o2::aod::dqmlcuts::BdtScoreConfig o2::aod::dqmlcuts::GetBdtScoreCutsAndConfigFro
       binaryCfg.cutsMl = makeLabeledCutsMl(cutsMl, labelsFlatBin, labelsClass);
 
       return binaryCfg;
-
-      // MultiClass
-    } else if (typeStr == "MultiClass") {
+    }
+    
+    // MultiClass
+    if (typeStr == "MultiClass") {
       dqmlcuts::MultiClassBdtScoreConfig multiCfg;
       multiCfg.inputFeatures = namesInputFeatures;
       multiCfg.onnxFiles = onnxFileNames;

PWGDQ/Core/MCSignalLibrary.cxx

@@ -2124,10 +2124,10 @@ std::vector<MCSignal*> o2::aod::dqmcsignals::GetMCSignalsFromJSON(const char* js
     if (!ValidateJSONMCSignal(&signal, sigName)) {
       LOG(fatal) << "MCSignal JSON not properly defined for " << sigName << ". Skipping";
       continue;
-    } else {
-      LOG(debug) << "MCSignal validated";
     }
 
+    LOG(debug) << "MCSignal validated";
+
     // Get the signal title
     const char* title = (signal.HasMember("title") ? signal.FindMember("title")->value.GetString() : "");
     LOG(info) << "Title is: " << title;
@@ -2175,7 +2175,7 @@ std::vector<MCSignal*> o2::aod::dqmcsignals::GetMCSignalsFromJSON(const char* js
       }
     }
 
-    if (prongs.size() == 0) {
+    if (prongs.empty()) {
       LOG(fatal) << "No prongs were defined for this MCSignal!";
       return signals;
     }

PWGDQ/Tasks/DalitzSelection.cxx

@@ -679,7 +679,7 @@ struct DalitzSelection {
     uint32_t bitMask = (static_cast<uint32_t>(1) << 8);
     fMixingEvent->ClearFilteringMask(bitMask);
 
-    for (auto& poolEvent : pool.events) { // o2-linter disable=const-ref-in-for-loop (false positive, it cannot be made const since it is modified within the loop)
+    for (auto& poolEvent : pool.events) { // o2-linter: disable=const-ref-in-for-loop (false positive, it cannot be made const since it is modified within the loop)
       if ((poolEvent.filteringMask & static_cast<uint32_t>(255)) == 0) {
         // all other bits have been erased, so we can also mark bit 8 for deletion
         poolEvent.filteringMask |= bitMask;