Bugfix/devsu 2734 handle case where graphkbapi is not available

[sshugsc]

DEVSU-2734

• remove unused graphkb middleware called in user route to avoid login issues when graphkb api is not available

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.32%. Comparing base (fe10238) to head (1126551).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #463      +/-   ##
===========================================
+ Coverage    77.02%   77.32%   +0.29%     
===========================================
  Files          184      183       -1     
  Lines         6447     6420      -27     
  Branches       776      773       -3     
===========================================
- Hits          4966     4964       -2     
+ Misses        1393     1371      -22     
+ Partials        88       85       -3     

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