FlavorTagDiscriminants: Fix warnings.

 - Unused typedefs.
 - struct/class mismatch

PhysicsAnalysis/JetTagging/FlavorTagDiscriminants/FlavorTagDiscriminants/HbbGraphConfig.h

@@ -14,7 +14,7 @@
 #include <string>
 
 namespace lwt {
-  class GraphConfig;
+  struct GraphConfig;
 }
 
 namespace FlavorTagDiscriminants {

PhysicsAnalysis/JetTagging/FlavorTagDiscriminants/Root/BTagJetAugmenter.cxx

@@ -112,11 +112,6 @@ BTagJetAugmenter::BTagJetAugmenter(std::string associator, FlavorTagDiscriminant
   m_rnnip_pbIsValid(rnn(f) + "_pbIsValid"),
   m_rnnip_isDefaults(rnn(f) + "_isDefaults")
 {
-  using namespace FlavorTagDiscriminants;
-  typedef SG::AuxElement::Decorator<float> ADF;
-  typedef SG::AuxElement::Decorator<double> ADD;
-  typedef SG::AuxElement::Decorator<char> ADC;
-  typedef SG::AuxElement::Decorator<int> ADI;
 }
 
 BTagJetAugmenter::~BTagJetAugmenter() = default;