chore: remove support for Ingress in the extensions/v1beta1 API version

[tao12345666333]

Type of change:

• Bugfix
• New feature provided
• Improve performance
• Backport patches
• Documentation
• Refactor
• Chore
• CI/CD or Tests

What this PR does / why we need it:

closes: #1839

Pre-submission checklist:

• Did you explain what problem does this PR solve? Or what new features have been added?
• Have you added corresponding test cases?
• Have you modified the corresponding document?
• Is this PR backward compatible? If it is not backward compatible, please discuss on the mailing list first

[codecov-commenter]

Codecov Report

Merging #1840 (24dfc71) into master (3f45ca9) will increase coverage by 0.59%.
The diff coverage is 33.33%.

❗ Current head 24dfc71 differs from pull request most recent head b32805e. Consider uploading reports for the commit b32805e to get more accurate results

@@            Coverage Diff             @@
##           master    #1840      +/-   ##
==========================================
+ Coverage   39.87%   40.46%   +0.59%     
==========================================
  Files          92       92              
  Lines        7266     7095     -171     
==========================================
- Hits         2897     2871      -26     
+ Misses       3985     3841     -144     
+ Partials      384      383       -1     

Files Changed	Coverage Δ
cmd/ingress/ingress.go	82.60% <ø> (-0.73%)	⬇️
pkg/providers/ingress/ingress.go	4.61% <0.00%> (-0.38%)	⬇️
pkg/providers/ingress/translation/translator.go	0.00% <ø> (ø)
pkg/providers/utils/ingress_status.go	31.03% <ø> (-6.47%)	⬇️
pkg/config/config.go	64.64% <100.00%> (ø)

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more