Reducing the file size of libtorch_cpu.so

I am attempting to use libtorch on aws lambda which has a limit of 250MB. However, my libtorch_cpu.so is 290MB and so I am not able to upload it on lambda :frowning:

I have a cpu build from here:
https://download.pytorch.org/libtorch/cpu/libtorch-cxx11-abi-shared-with-deps-1.7.0%2Bcpu.zip