Removed unnecessary comprehension

[kaitlynrying]

Describe your changes Removed unnecessary list comprehension in lines 132 and 149 in hyper_histogram.py

Type of update This is a

• Bug fix

Associated issues Related to Deepsource PTC-W0016

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• [ ] PR functionality reviewed in a Jupyter Notebook
• [ ] All tests pass
• [ ] Test coverage remains 100%
• [ ] Documentation tested
• [ ] New documentation pages added to plantcv/mkdocs.yml
• [ ] Changes to function input/output signatures added to updating.md
• [ ] Code reviewed
• [ ] PR approved