Fix Permitted Value for Expression Type Rules

[goodwillpunning]

This commit corrects a display-only bug in the validation results when expression type Rules are used. Previously, the permitted column would display the Rule expression as a String. This commit updates the permitted column to the evaluated expression.

This commit also removes an unused object, Lookups.

[GeekSheikh]

@goodwillpunning Do we have any tests on the output reports? I didn't see any changes to tests that change the actual/permitted values. Did I just miss them?

[GeekSheikh]

Here I was expecting there to be the following columns.
ruleName - good
passed - good
logic - not present. This should be the SQL expr used to derive the "permitted"
permitted - allowed value or range
actual - the result of the expression value

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ef9b9fa) 87.50% compared to head (fc4bfc9) 89.63%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #36      +/-   ##
==========================================
+ Coverage   87.50%   89.63%   +2.13%     
==========================================
  Files           5        5              
  Lines         168      164       -4     
  Branches        3        4       +1     
==========================================
  Hits          147      147              
+ Misses         21       17       -4     

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