Fix/vars

[collindutter]

• I have read and agree to the contributing guidelines for submitting new pull requests.

Describe your changes

Clean up some environment variable stuffs

Issue ticket number and link

NA

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📚 Documentation preview 📚: https://griptape--1363.org.readthedocs.build//1363/

[collindutter]

Sane diff here

[codecov]

Codecov Report

Attention: Patch coverage is 57.14286% with 3 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...file_manager/griptape_cloud_file_manager_driver.py	0.00%	0 Missing and 1 partial ⚠️
...ation/griptape_cloud_conversation_memory_driver.py	0.00%	0 Missing and 1 partial ⚠️
...ivers/vector/griptape_cloud_vector_store_driver.py	66.66%	0 Missing and 1 partial ⚠️

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