[llvm] [ORC] Further simplify ContainerElementsMap::hoistDeps. NFCI. (PR #185242)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-mlir-rhel-clang` running on `ppc64le-mlir-rhel-test` while building `llvm` at step 6 "test-build-check-mlir-build-only-check-mlir".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/129/builds/40366

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-check-mlir-build-only-check-mlir) failure: 1200 seconds without output running [b'ninja', b'check-mlir'], attempting to kill
...
PASS: MLIR-Unit :: IR/./MLIRIRTests/101/141 (3924 of 3934)
PASS: MLIR-Unit :: Interfaces/./MLIRInterfacesTests/11/22 (3925 of 3934)
PASS: MLIR-Unit :: Pass/./MLIRPassTests/11/14 (3926 of 3934)
PASS: MLIR-Unit :: Interfaces/./MLIRInterfacesTests/13/22 (3927 of 3934)
PASS: MLIR-Unit :: IR/./MLIRIRTests/38/141 (3928 of 3934)
PASS: MLIR-Unit :: Interfaces/./MLIRInterfacesTests/12/22 (3929 of 3934)
PASS: MLIR-Unit :: IR/./MLIRIRTests/37/141 (3930 of 3934)
PASS: MLIR :: Pass/pipeline-options-parsing.mlir (3931 of 3934)
PASS: MLIR :: mlir-runner/simple.mlir (3932 of 3934)
PASS: MLIR :: mlir-reduce/dce-test.mlir (3933 of 3934)
command timed out: 1200 seconds without output running [b'ninja', b'check-mlir'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=1685.681598

```

</details>

https://github.com/llvm/llvm-project/pull/185242