Remove appveyor MinGW failures config
Remove appveyor MinGW failures config

CppMicroServices/CppMicroServices,saschazelzer/CppMicroServices,CppMicroServices/CppMicroServices,CppMicroServices/CppMicroServices,CppMicroServices/CppMicroServices,saschazelzer/CppMicroServices,CppMicroServices/CppMicroServices