removed unused function, added tests for util.format

[gkspranger]

• src/yetibot/core/util/format.clj

  • dropped function format-data-as-string
  • check both YB and core and didn't see any reference to it -- so think it is safe

• test/yetibot/core/test/util/format.clj

  • added some additional tests for YB.core.util.format
  • nothing earth shattering, just thought i tease out the format-data-structure function to see what it would do in various conditions
  • also added test for format-exception-log

!! IT'S 🍟 DAY !!

[codecov[bot]]

Codecov Report

Merging #208 (633c905) into master (b00528a) will increase coverage by 0.30%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #208      +/-   ##
==========================================
+ Coverage   59.98%   60.28%   +0.30%     
==========================================
  Files          95       95              
  Lines        4168     4165       -3     
  Branches      229      227       -2     
==========================================
+ Hits         2500     2511      +11     
+ Misses       1439     1427      -12     
+ Partials      229      227       -2     

Impacted Files	Coverage Δ
src/yetibot/core/util/format.clj	100.00% <ø> (+18.91%)	:arrow_up:

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