#6614 Remove unused node selector functions & legacy environment variables Pull request opened by Sovietaced ## Why are the changes needed? This pull request removes some code that was not used which simplifies the codebase. It also removes extraneous environment variables that are injected into Flyte task containers, which has been confusing for me. ## What changes were proposed in this pull request? Removes code and removes legacy environment variables. ## How was this patch tested? Unit tests and in our production environment. ## Check all the applicable boxes • I updated the documentation accordingly. • All new and existing tests passed. • All commits are signed-off. https://bito.ai#summarystart| ### Summary by Bito This pull request enhances code clarity by removing unused node selector functions and legacy environment variables from Flyte task containers. The cleanup simplifies the codebase and reduces confusion, with updated unit tests ensuring stability and correctness. flyteorg/flyte