message: Fix: Use TString instead of std::string with boost
  Remove boost header and use TString and its functionalities for string
  manipulation
diff: * File : AliAnalysisTaskAR.cxx
  * Author : Anton Riedel <anton.riedel@tum.de>
  * Date : 07.05.2021
  - * Last Modified Date: 03.11.2021
  + * Last Modified Date: 04.11.2021
  * Last Modified By : Anton Riedel <anton.riedel@tum.de>
  */
  #include <TRandom3.h>
  #include <TSystem.h>
  #include <algorithm>
  -#include <boost/algorithm/string.hpp>
  #include <cstdlib>
  #include <iostream>
  #include <numeric>
  @@ -4170,7 +4169,7 @@ void AliAnalysisTaskAR::GetPointersForFinalResults() {
  }
  // initialize vectors
  - std::string name;
  + TString name;
  std::vector<Int_t> sc;
  fSymmetricCumulants.clear();
  fCorrelators.clear();
  @@ -4178,12 +4177,12 @@ void AliAnalysisTaskAR::GetPointersForFinalResults() {
  // initalize vectors for computation of symmetric cumulants
  for (auto list : *fFinalResultSymmetricCumulantsList) {
  sc.clear();
  - name = std::string(list->GetName());
  - boost::erase_all(name, "SC(");
  - boost::erase_all(name, ")");
  - boost::erase_all(name, ",");
  - for (char c : name) {
  - sc.push_back(std::atoi(&c));
  + name = TString(list->GetName());
  + name.ReplaceAll("SC(", "");
  + name.ReplaceAll(")", "");
  + name.ReplaceAll(",", "");
  + for (int i = 0; i < name.Length(); i++) {
  + sc.push_back(std::atoi(&name[i]));
  }
  fSymmetricCumulants.push_back(sc);
  }
  