Revert D28385479: [pytorch][PR] [ROCm] ubuntu version check in install_rocm.sh
Test Plan: revert-hammer
Differential Revision:
D28385479 (https://github.com/pytorch/pytorch/commit/94bb1150a73e005aa23aaf13fecad79d18fa50e3)
Original commit changeset: 10ad225b7185
fbshipit-source-id: ac9167c906404e87ec0b94cf1c4e9c4cab7aca0f
