Remove policy-controller now that it lives in sigstore/policy-controller

[vaikas]

Signed-off-by: Ville Aikas [email protected]

Summary

Remove policy-controller bits now that they live in sigstore/policy-controller. Large part of the motivation to remove this asap is to make sure that folks do not make changes here that then are not reflected in the sigstore/policy-controller.

Ticket Link

Fixes

Release Note

policy-controller has been moved to sigstore/policy-controller repo.

[codecov-commenter]

Codecov Report

Merging #1976 (248c129) into main (2ccdb3e) will decrease coverage by 5.96%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #1976      +/-   ##
==========================================
- Coverage   34.66%   28.70%   -5.97%     
==========================================
  Files         152      132      -20     
  Lines       10090     8090    -2000     
==========================================
- Hits         3498     2322    -1176     
+ Misses       6222     5461     -761     
+ Partials      370      307      -63     

Impacted Files	Coverage Δ
pkg/cosign/rekor_factory.go	0.00% <0.00%> (ø)

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[dlorenc]

DELETE!