Revert "Produce OCI images by default (#623)"

[imjasonh]

This reverts commit 7e9709a

This change causes breakages when pushing to Quay.io, the fix for which (#641) causes mysterious errors in KinD.

Until we understand the compatibility story better, let's revert and unblock a v0.11 release to better support Go 1.18.

[codecov-commenter]

Codecov Report

Merging #653 (f41293f) into main (3cf55a1) will decrease coverage by 0.27%.
The diff coverage is 60.00%.

@@            Coverage Diff             @@
##             main     #653      +/-   ##
==========================================
- Coverage   51.89%   51.62%   -0.28%     
==========================================
  Files          44       44              
  Lines        3293     3268      -25     
==========================================
- Hits         1709     1687      -22     
+ Misses       1373     1371       -2     
+ Partials      211      210       -1     

Impacted Files	Coverage Δ
pkg/build/options.go	68.75% <ø> (-1.84%)	⬇️
pkg/commands/options/build.go	68.86% <ø> (-0.86%)	⬇️
pkg/commands/resolver.go	32.98% <ø> (-0.24%)	⬇️
pkg/build/gobuild.go	61.64% <60.00%> (-0.41%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 3cf55a1...f41293f. Read the comment docs.