remove or fix broken models from shark test suite

[zjgarvey]

1. These models do not contain their corresponding external weight files. These should be removed or the models with weights included should be re-uploaded.

2. The model "migraphx_onnx-misc__taau_low_res_downsample_d2s_for_infer_time_fp16_opset11" has empty f16 values being fed into Resize nodes, and does not even load in onnxruntime. This is likely because those arguments are optional, so it might be possible to fix this by figuring out how to pass "None" as an input arg to a node. If we can't resolve this, then we should just remove this test.

3. These models have memory allocation issues during onnxruntime or get Killed during onnxruntime session. I'm not sure what to do about these.