Removing Helm Chart and Related CI Workflow

[onelapahead]

See https://github.com/hyperledger/firefly-helm-charts

[codecov-commenter]

Codecov Report

Merging #412 (6e25007) into main (8cfd4b4) will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff             @@
##              main      #412     +/-   ##
===========================================
  Coverage   100.00%   100.00%             
===========================================
  Files          239       277     +38     
  Lines        12920     14845   +1925     
===========================================
+ Hits         12920     14845   +1925     

Impacted Files	Coverage Δ
pkg/fftypes/data.go	100.00% <0.00%> (ø)
pkg/fftypes/batch.go	100.00% <0.00%> (ø)
pkg/fftypes/event.go	100.00% <0.00%> (ø)
pkg/database/filter.go	100.00% <0.00%> (ø)
pkg/fftypes/message.go	100.00% <0.00%> (ø)
pkg/fftypes/bytetypes.go	100.00% <0.00%> (ø)
pkg/fftypes/namearray.go	100.00% <0.00%> (ø)
internal/config/config.go	100.00% <0.00%> (ø)
internal/assets/manager.go	100.00% <0.00%> (ø)
internal/data/blobstore.go	100.00% <0.00%> (ø)
... and 88 more

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