Cleanup preprocess.py

[chris-langfield]

See #122

Code:

• Delete old and unused crop_pad and downsample
• Move fuzzy_mask to aspire.utils.misc
• Delete image/preprocess.py

Tests:

• Move fuzzy mask test to test_utils.py
• Move hardcoded Volume projection test into "synthetic" projection test in test_volume.py
• Delete test_preprocess.py

[codecov]

Codecov Report

Merging #773 (c4a655d) into develop (c5a9dc7) will increase coverage by 0.51%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           develop     #773      +/-   ##
===========================================
+ Coverage    88.37%   88.89%   +0.51%     
===========================================
  Files          113      112       -1     
  Lines         8835     8760      -75     
===========================================
- Hits          7808     7787      -21     
+ Misses        1027      973      -54     

Impacted Files	Coverage Δ
src/aspire/image/__init__.py	100.00% <ø> (ø)
src/aspire/utils/__init__.py	100.00% <ø> (ø)
src/aspire/utils/misc.py	92.70% <100.00%> (+1.04%)	⬆️

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[garrettwrong]

Thanks Chris! I did a quick look and this seems fine by me, but I want to give it a closer review next week.

I'm sort of surprised we kept that dead code around so long.

[garrettwrong]

Thanks for cleaning this up and saving the fuzzy mask.

[j-c-c]

Looks good, Chris!

[garrettwrong]

Merging. Thanks.