Remove Warning message "The additionalFlags field in kaniko is deprecated"

[ricardo-larosa]

Fixes: #4852

Description

To avoid confusion remove the warning message The additionalFlags field in kaniko is deprecated

User facing changes

Given a skaffold.yaml

profiles:
- name: oncluster
  build:
    artifacts:
    - image: myregistry/myimage:mytag
      kaniko:
        image: gcr.io/kaniko-project/executor:v1.0.0
        flags: 
          - --snapshotMode=redo
          - --verbosity=info

• Before:

level=warning msg="The additionalFlags field in kaniko is deprecated, please consult the current schema at skaffold.dev to update your skaffold.yaml."

• After:

No warning messages

But if --verbosity=TRACE

TRAC[0004] kaniko additionalFlags are --snapshotMode=redo --verbosity=info 

[codecov]

Codecov Report

Merging #4853 into master will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##           master    #4853   +/-   ##
=======================================
  Coverage   71.85%   71.85%           
=======================================
  Files         356      356           
  Lines       12216    12216           
=======================================
  Hits         8778     8778           
  Misses       2786     2786           
  Partials      652      652           

Impacted Files	Coverage Δ
pkg/skaffold/build/cluster/pod.go	87.57% <0.00%> (ø)

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[briandealwis]

We've been trying to create new config items, such as for docker secrets (#4731). Since we publish JSON schema settings, IDEs and editors can validate and offer auto-complete support, which is really helpful. Would you be willing to try turning this into a PR to add Kaniko support?

[ricardo-larosa]

Hi @briandealwis Yes :)

[briandealwis]

Closing in anticipation of a different impementation.

[ricardo-larosa]

Hi @briandealwis kaniko implementation #4900