Revert "feat: add possibility to disable pushing of image in deploy command"

[zroubalik]

Reverts #736

This change hasn't been ready yet/

[knative-prow-robot]

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This pull-request has been approved by: zroubalik

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[codecov]

Codecov Report

Merging #738 (c82ce46) into main (4e5a5e8) will decrease coverage by 0.00%.
The diff coverage is 12.50%.

@@            Coverage Diff             @@
##             main     #738      +/-   ##
==========================================
- Coverage   41.56%   41.56%   -0.01%     
==========================================
  Files          42       42              
  Lines        4102     4083      -19     
==========================================
- Hits         1705     1697       -8     
+ Misses       2144     2135       -9     
+ Partials      253      251       -2     

Impacted Files	Coverage Δ
cmd/deploy.go	16.17% <0.00%> (+0.13%)	⬆️
client.go	65.08% <33.33%> (+0.06%)	⬆️
cmd/build.go	58.08% <100.00%> (ø)

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[lance]

/lgtm