Remove minio feature

[lpoli]

Changes

This PR will solve #797

Tests

Tasks to complete before merging PR:

• Ensure system tests are passing. If not Run them manually to check for any regressions 📋
• Do any new system tests need added to test this change? do any existing system tests need updated? If so create a PR at 0chain/system_test
• Merge your system tests PR to master AFTER merging this PR

Associated PRs (Link as appropriate):

• 0chain:
• gosdk:
• system_test:
• zboxcli:
• zwalletcli:
• Other: ...

[codecov-commenter]

Codecov Report

Merging #823 (5e3bf76) into staging (d5638af) will increase coverage by 0.62%.
The diff coverage is 50.00%.

@@             Coverage Diff             @@
##           staging     #823      +/-   ##
===========================================
+ Coverage    25.57%   26.19%   +0.62%     
===========================================
  Files           77       76       -1     
  Lines         7856     7646     -210     
===========================================
- Hits          2009     2003       -6     
+ Misses        5584     5379     -205     
- Partials       263      264       +1     

Flag	Coverage Δ
Unit-Tests	26.19% <50.00%> (+0.62%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...o/0chain.net/blobbercore/filestore/file_manager.go	5.26% <ø> (+0.50%)	⬆️
.../go/0chain.net/blobbercore/filestore/mock_store.go	0.00% <ø> (ø)
code/go/0chain.net/blobbercore/filestore/state.go	70.28% <ø> (-0.22%)	⬇️
code/go/0chain.net/blobbercore/filestore/store.go	0.00% <ø> (ø)
...ain.net/blobbercore/handler/file_command_update.go	0.00% <0.00%> (ø)
...et/blobbercore/handler/object_operation_handler.go	35.15% <ø> (-0.04%)	⬇️
code/go/0chain.net/blobbercore/handler/worker.go	0.00% <ø> (ø)
code/go/0chain.net/blobbercore/reference/ref.go	0.00% <ø> (ø)
...ode/go/0chain.net/blobbercore/filestore/storage.go	41.83% <50.00%> (+1.91%)	⬆️
...ain.net/blobbercore/handler/file_command_upload.go	42.00% <100.00%> (-0.39%)	⬇️
... and 1 more

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[service-0chain]

Manual system tests [failure] with the following config

config	value
tests skipped	FALSE
system-tests	master
gosdk	NOT OVERRIDDEN
zboxcli	staging
zwalletcli	staging
0chain	staging
blobber	remove/minio-feature
authorizer	staging
0box	staging
0block	staging
0dns	staging
explorer	master
0proxy	staging
0search	staging

[peterlimg]

lgtm

[peterlimg]

@lpoli this PR requires the changes of 0helm to update the deployment script

[service-0chain]

Manual system tests [success] with the following config

config	value
tests skipped	TRUE
system-tests	master
gosdk	NOT OVERRIDDEN
zboxcli	staging
zwalletcli	staging
0chain	staging
blobber	remove/minio-feature
authorizer	staging
0box	staging
0block	staging
0dns	staging
explorer	master
0proxy	staging
0search	staging