Quick: remove frontera systems for local dev

[rstijerina]

Overview

With #1185, it takes longer to evaluate the Frontera scratch mount path for a user. In local dev, we don't need to mount scratch

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 70.67%. Comparing base (a1277ba) to head (7bfac54).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1189   +/-   ##
=======================================
  Coverage   70.67%   70.67%           
=======================================
  Files         543      543           
  Lines       34129    34129           
  Branches     2843     2843           
=======================================
  Hits        24122    24122           
  Misses       9804     9804           
  Partials      203      203           

Flag	Coverage Δ
javascript	73.00% <ø> (ø)
unittests	60.80% <ø> (ø)

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Files with missing lines	Coverage Δ
server/portal/settings/settings_default.py	0.00% <ø> (ø)

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[fnets]

LGTM