Revert "chore: Expect Merkle/witness CAR files to be always present

[gvelez17]

This reverts commit 4deea40.

CAS started failing to anchor after deploy

Description

After a deploy from develop branch on Sep 20, CAS started failing to create anchors

Develop contained this list of commits

1c0675b
cd42df4
e63dc83
4deea40
078f0b2
afd6e20
07c3509
855c1b4
bbe02b3
aa3f27c
53ddac8

we could revert all of them, or only this one

4deea40

that caused the stricter CARfile handling. This PR reverts only the strict requirement for Merkle CARfile

How Has This Been Tested?

Describe the tests that you ran to verify your changes. Provide instructions for reproduction.

• Test A (e.g. Test A - New test that ... ran in local, docker, and dev unstable.)
• Test B

Definition of Done

Before submitting this PR, please make sure:

• The work addresses the description and outcomes in the issue
• I have added relevant tests for new or updated functionality
• My code follows conventions, is well commented, and easy to understand
• My code builds and tests pass without any errors or warnings
• I have tagged the relevant reviewers
• I have updated the READMEs of affected packages
• I have made corresponding changes to the documentation
• The changes have been communicated to interested parties

References:

Please list relevant documentation (e.g. tech specs, articles, related work etc.) relevant to this change, and note if the documentation has been updated.

[codecov-commenter]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.15% 🎉

Comparison is base (1c0675b) 81.53% compared to head (095db35) 81.69%.

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Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1170      +/-   ##
===========================================
+ Coverage    81.53%   81.69%   +0.15%     
===========================================
  Files           46       46              
  Lines         1798     1797       -1     
  Branches       269      271       +2     
===========================================
+ Hits          1466     1468       +2     
+ Misses         332      329       -3     

Files Changed	Coverage Δ
src/services/request-presentation-service.ts	91.66% <100.00%> (+10.03%)	⬆️

... and 1 file with indirect coverage changes

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[smrz2001]

🚀