chore: use paketo builders for all runtimes

[lance]

• 🧹 Use paketo for all builders

All runtimes were actually using paketo builders already, but the builders were still being explicitly set in manifest.yaml instead of existing as a default in builder.go like all of the others.

Signed-off-by: Lance Ball lball@redhat.com

[knative-prow]

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[codecov]

Codecov Report

Merging #1001 (a739f94) into main (a694cf5) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1001   +/-   ##
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  Coverage   46.71%   46.71%           
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  Files          57       57           
  Lines        7505     7505           
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  Hits         3506     3506           
  Misses       3669     3669           
  Partials      330      330           

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[matejvasek]

@lance you need to regenerate zz_* file since there was another change to spring boot templates.

[lkingland]

Thanks @lance, I was making this change one-language-at-a-time as I added the defaults to S2I; but there's no harm in taking care of them all at once!
/lgtm

[lance]

Thanks @lance, I was making this change one-language-at-a-time as I added the defaults to S2I; but there's no harm in taking care of them all at once! /lgtm

Yes, but...

#1005