HOTFIX: Fix fire gadm fields

[jterry64]

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• [X] Make sure you are requesting to pull a topic/feature/bugfix branch (right side). Don't request your master!
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Pull request type

Please check the type of change your PR introduces:

• [X] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, renaming)
• [X] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] Documentation content changes
• [ ] Other (please describe):

What is the current behavior?

GADM fields for fires aren't being correctly parsed.

What is the new behavior?

adm1 and adm2 fields are now parsed to correct numbers

Does this introduce a breaking change?

• [ ] Yes
• [X] No

Other information

Refactored a little to simplify the spark SQL calls and do the feature ID parsing in the features package.