MWPW-161905-remove authorization header and use utils for fetch

[SonjaPopovic]

before: https://stage--dme-partners--adobecom.hlx.page/channelpartners/home/search/

after: https://MWPW-162270-gnav-cors--dme-partners--adobecom.hlx.page/channelpartners/home/search/?georouting=off

[aem-code-sync]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed.
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Commits

• 0221a2c ✅ (latest)

[aem-code-sync]

	Page	Scores	Audits
📱	/channelpartners/home/search/?georouting=off
🖥️	/channelpartners/home/search/?georouting=off

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.84%. Comparing base (e7de663) to head (0221a2c).

Additional details and impacted files

@@            Coverage Diff             @@
##            stage     #127      +/-   ##
==========================================
- Coverage   82.99%   82.84%   -0.16%     
==========================================
  Files          10       10              
  Lines        3252     3252              
==========================================
- Hits         2699     2694       -5     
- Misses        553      558       +5     

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