Revert D30711934: [pytorch][PR] Use RDS for build size tracking
Test Plan: revert-hammer
Differential Revision:
D30711934 (https://github.com/pytorch/pytorch/commit/1cd0252eed8ddb26e4599ef2b0fec4d8843b8828)
Original commit changeset: 0af808ddf528
fbshipit-source-id: 6f67ed5cbaf333cc55729be2a23e385772e31b10
