Simpler implementation of ordering algorithm

[sotorrio1]

Fixes/Addresses:

issue #1155

Summary/Motivation:

mlrose-hiive was giving too many issues, moving away from it and using a library that uses pure python implementation of the TSP

Changes proposed in this PR:

• import python-tsp
• call different function to order candidate

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[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.01% ⚠️

Comparison is base (cb85b8f) 37.23% compared to head (6caf1b0) 37.22%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1157      +/-   ##
==========================================
- Coverage   37.23%   37.22%   -0.01%     
==========================================
  Files         160      160              
  Lines       36343    36339       -4     
  Branches     5944     5944              
==========================================
- Hits        13531    13527       -4     
  Misses      21730    21730              
  Partials     1082     1082              

Files Changed	Coverage Δ
setup.py	0.00% <ø> (ø)
foqus_lib/framework/sdoe/order.py	96.15% <100.00%> (-0.52%)	⬇️

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[ksbeattie]

LGTM