[Code Quality]: removing unecessary result return types #445
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Issue #, if available:
N/A
Description of changes:
I recently noticed the extract variables, and root_scope functions didn't need to have a Result as their return type since there's no path where they error out. This PR removes those return types from the signature, and addresses all the handling of these functions throughout the codebase as necessary.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license