SITES-29602 - core-cif-components-core: remove usage of Guava

[LSantha]

• removed usages of com.google.common.collect (Guava)

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes and the overall coverage did not decrease.
• All unit tests pass on CircleCi.
• I ran all tests locally and they pass.

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 88.82%. Comparing base (fece217) to head (852ca70).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...erce/core/components/client/DeniedHttpHeaders.java	75.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1033      +/-   ##
============================================
- Coverage     88.83%   88.82%   -0.01%     
  Complexity     2391     2391              
============================================
  Files           366      366              
  Lines         10636    10639       +3     
  Branches       1539     1539              
============================================
+ Hits           9448     9450       +2     
- Misses          834      835       +1     
  Partials        354      354              

Flag	Coverage Δ
integration	48.56% <80.00%> (+<0.01%)	⬆️
jest	86.68% <ø> (ø)
karma	95.58% <ø> (ø)
unittests	86.98% <80.00%> (-0.01%)	⬇️

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[alwinjoseph02]

LGTM!!