rm unused method

[eeverman]

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Fixes #696

[codecov[bot]]

Codecov Report

Merging #705 (d1c603d) into main (52cd59f) will increase coverage by 0.04%. The diff coverage is n/a.

@@             Coverage Diff              @@
##               main     #705      +/-   ##
============================================
+ Coverage     88.00%   88.04%   +0.04%     
+ Complexity     1185     1184       -1     
============================================
  Files           133      133              
  Lines          3742     3738       -4     
  Branches        463      463              
============================================
- Hits           3293     3291       -2     
+ Misses          322      320       -2     
  Partials        127      127              

Impacted Files	Coverage Δ
...ain/java/org/yarnandtail/andhow/api/Validator.java	33.33% <ø> (ø)
...rg/yarnandtail/andhow/valuetype/BaseValueType.java	100.00% <ø> (+18.18%)	:arrow_up:

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