caffe2: disable TensorImpl static_assert (temporary)
Test Plan: buck2 build -c cxx.modules=false -c fbcode.platform=platform010 fbcode//caffe2/aten:ATen-cu
Reviewed By: singhsrb, meyering
Differential Revision: D33501636
fbshipit-source-id: a1a5bbb2b160eba8eb5abba4f6ae1929a58e11e9