Removed pre-C++11 IsContainerTest and IteratorTraits
Removed pre-C++11 IsContainerTest and IteratorTraits

PiperOrigin-RevId: 215916605

antidotcb/googletest,google/googletest,antidotcb/googletest,xnagireddy/googletest,antidotcb/googletest,gianricardo/googletest,gianricardo/googletest,xnagireddy/googletest,xnagireddy/googletest,google/googletest,google/googletest,xnagireddy/googletest,google/googletest,antidotcb/googletest,jlanecox/googletest,gianricardo/googletest,jlanecox/googletest,empiredan/googletest,empiredan/googletest,jlanecox/googletest,jlanecox/googletest,empiredan/googletest