feat: rm tools.logging

[erdos]

remove tools.logging dependency and add a minimal slf4j integration.

[codecov-commenter]

Codecov Report

Merging #86 (ea0aa6f) into master (ad026e0) will increase coverage by 0.00%.
The diff coverage is 65.21%.

❗ Current head ea0aa6f differs from pull request most recent head 5a3344b. Consider uploading reports for the commit 5a3344b to get more accurate results

@@           Coverage Diff           @@
##           master      #86   +/-   ##
=======================================
  Coverage   92.78%   92.78%           
=======================================
  Files          24       25    +1     
  Lines        1843     1857   +14     
  Branches      109      110    +1     
=======================================
+ Hits         1710     1723   +13     
  Misses         24       24           
- Partials      109      110    +1     

Impacted Files	Coverage Δ
src/stencil/process.clj	76.74% <0.00%> (+2.32%)	⬆️
src/stencil/log.clj	50.00% <50.00%> (ø)
src/stencil/eval.clj	100.00% <100.00%> (+10.71%)	⬆️
src/stencil/infix.clj	98.32% <100.00%> (+1.11%)	⬆️
src/stencil/postprocess/images.clj	100.00% <100.00%> (ø)
src/stencil/postprocess/list_ref.clj	92.76% <100.00%> (ø)

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