Run file delete inside try-except

[ritvje]

Sometimes when deleting old granules in the radar data production, the file gets deleted by some other cleaning process after the os.path.exists(fs_path), and so the os.remove(fs_path) fails. I don't think we want the whole process to fail because of this, so this try-except should fix that.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 94.54%. Comparing base (33786f4) to head (f1daff8).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
georest/__init__.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #27      +/-   ##
==========================================
- Coverage   94.56%   94.54%   -0.03%     
==========================================
  Files           4        4              
  Lines         976      972       -4     
==========================================
- Hits          923      919       -4     
  Misses         53       53              

Flag	Coverage Δ
unittests	94.54% <0.00%> (-0.03%)	⬇️

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