Revert "Update Tiltfile to use env variable to check aks cluster is being used"

[nawazkh]

Reverts #5306

Reason to revert: #5306 (comment)

Reopens: #5289

Release note:

NONE

[nawazkh]

/lgtm
/approve

[k8s-ci-robot]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.43%. Comparing base (6bce7f8) to head (c897f28).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5353   +/-   ##
=======================================
  Coverage   52.43%   52.43%           
=======================================
  Files         272      272           
  Lines       29401    29401           
=======================================
  Hits        15417    15417           
  Misses      13178    13178           
  Partials      806      806           

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[mboersma]

/lgtm
/approve

Mea culpa!

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 5b802253d5e3da7c78218f139eeeb85fa0fc07b9

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mboersma, nawazkh

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