src: refactored cxx ast visitor code

* extracted brace recording code into own ast visitor component
* removed unnecessary cxx ast visitor code

src/lib_cxx/data/parser/cxx/CxxParser.cpp

@@ -9,7 +9,6 @@
 #include "data/parser/cxx/CanonicalFilePathCache.h"
 #include "data/parser/cxx/CxxCompilationDatabaseSingle.h"
 #include "data/parser/cxx/CxxDiagnosticConsumer.h"
-
 #include "utility/file/FilePath.h"
 #include "utility/file/FileRegister.h"
 #include "utility/logging/logging.h"
@@ -66,10 +65,6 @@ CxxParser::CxxParser(std::shared_ptr<ParserClient> client, std::shared_ptr<FileR
 	llvm::InitializeNativeTargetAsmParser();
 }
 
-CxxParser::~CxxParser()
-{
-}
-
 void CxxParser::buildIndex(std::shared_ptr<IndexerCommandCxxCdb> indexerCommand)
 {
 	clang::tooling::CompileCommand compileCommand;