Make sure Range isn't Replaced

[gordonwatts]

The Range function was including some unecessary code - which was accidentally triggering some funny behavior in the xAOD backend.

Fixes #189

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 97.37%. Comparing base (2b760c4) to head (791393a).

Files with missing lines	Patch %	Lines
func_adl/functions.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #190      +/-   ##
==========================================
- Coverage   97.37%   97.37%   -0.01%     
==========================================
  Files          15       15              
  Lines        1410     1409       -1     
==========================================
- Hits         1373     1372       -1     
  Misses         37       37              

Flag	Coverage Δ
unittests	97.37% <50.00%> (-0.01%)	⬇️

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