.circleci: Remove conda-package-handling pin (#62290)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/62290
No longer needed anymore.
Fixes nightly failures that we're observing as well:
```
Jul 27 07:33:02 Found conflicts! Looking for incompatible packages.
Jul 27 07:33:02 This can take several minutes. Press CTRL-C to abort.
Jul 27 07:33:02 failed
Jul 27 07:33:02
Jul 27 07:33:02 UnsatisfiableError: The following specifications were found
Jul 27 07:33:02 to be incompatible with the existing python installation in your environment:
Jul 27 07:33:02
Jul 27 07:33:02 Specifications:
Jul 27 07:33:02
Jul 27 07:33:02 - conda-package-handling=1.6.0 -> python[version='>=2.7,<2.8.0a0|>=3.6,<3.7.0a0|>=3.7,<3.8.0a0|>=3.8,<3.9.0a0']
Jul 27 07:33:02
Jul 27 07:33:02 Your python: python=3.9
```
From: https://app.circleci.com/pipelines/github/pytorch/pytorch/356478/workflows/2102acf1-c92a-4a59-919c-61d32d3bcd71/jobs/15027876
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
Test Plan: Imported from OSS
Reviewed By: driazati
Differential Revision: D29946501
Pulled By: seemethere
fbshipit-source-id: 3e9182f4cbcf2aab185dbbc21b7a6171746e2281
