Remove RGF from HerbInterpret; just use Core.eval

[THinnerichs]

Addresses and closees:

• Check run-time of new make_interpret #47.
• Make interpret() be able to handle lambda functions #48

closes:

• Map Symboltable to interpret with grammar tags #33

[codecov]

Codecov Report

❌ Patch coverage is 87.36842% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.60%. Comparing base (b5a6c5c) to head (6a14cc0).

Files with missing lines	Patch %	Lines
src/make_interpret.jl	87.36%	12 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #54      +/-   ##
==========================================
+ Coverage   69.11%   75.60%   +6.49%     
==========================================
  Files           3        3              
  Lines         204      246      +42     
==========================================
+ Hits          141      186      +45     
+ Misses         63       60       -3     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[github-actions]

Benchmark Results

	master	6a14cc0...	master / 6a14cc0...
interpret/Random Expressions	0.106 ± 0.0032 ms	0.107 ± 0.004 ms	0.991 ± 0.047
time_to_load	0.0855 ± 0.00039 s	0.0847 ± 0.0017 s	1.01 ± 0.02

Benchmark Plots

A plot of the benchmark results have been uploaded as an artifact to the workflow run for this PR.
Go to "Actions"->"Benchmark a pull request"->[the most recent run]->"Artifacts" (at the bottom).