message: Remove broken root-config query
  With the new alien-root-legacy one has to check if the TAlien class
  is available instead of querying root-config (anyway it was bad design).
diff: @@ -75,7 +75,7 @@ void AliCDBManager::Init() {
  RegisterFactory(new AliCDBLocalFactory());
  // AliCDBGridFactory is registered only if AliEn libraries are enabled in Root
  static int hltOnlineMode = getenv("HLT_ONLINE_MODE") && strcmp(getenv("HLT_ONLINE_MODE"), "on") == 0;
  - if(!hltOnlineMode && !gSystem->Exec("root-config --has-alien 2>/dev/null |grep yes 2>&1 > /dev/null")){ // returns 0 if yes
  + if(!hltOnlineMode && TClass::GetClass("TAlien")){
  AliInfo("AliEn classes enabled in Root. AliCDBGrid factory registered.");
  RegisterFactory(new AliCDBGridFactory());
  fCondParam = CreateParameter(fgkCondUri);
  