Revert "SymIntify cat and narrow (#86191)"
This reverts commit 63d8d4f6ec5c973ad7b8669cd39ee9b550e5f55b.
Reverted https://github.com/pytorch/pytorch/pull/86191 on behalf of https://github.com/seemethere due to Fails internal tests, see [D40106464](https://www.internalfb.com/diff/D40106464)
