Don't set up python 2 when running the nightly base package check (#22036)

Author: iliakur

.github/workflows/nightly-base-package.yml

@@ -25,7 +25,6 @@ jobs:
 
       # Options
       minimum-base-package: true
-      test-py2: true
       pytest-args: '-m "not flaky"'
       context: "nightly-base-package"
     secrets: inherit