refactor(operator): change chaos deletion to finalizer rather than ownreference

[moomman]

Type of change:

• Bugfix
• New feature provided
• Improve performance
• Backport patches

What this PR does / why we need it:

Delete chaos resource by finalizer, remove ownreference.

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?

#272

[codecov-commenter]

Codecov Report

Merging #337 (2f3889c) into main (f7509f1) will decrease coverage by 6.29%.
The diff coverage is 6.66%.

@@            Coverage Diff             @@
##             main     #337      +/-   ##
==========================================
- Coverage   45.80%   39.51%   -6.29%     
==========================================
  Files          21       44      +23     
  Lines        1692     4694    +3002     
==========================================
+ Hits          775     1855    +1080     
- Misses        832     2712    +1880     
- Partials       85      127      +42     

Impacted Files	Coverage Δ
...pkg/controllers/shardingsphere_chaos_controller.go	0.00% <0.00%> (ø)
...here-operator/pkg/kubernetes/deployment/builder.go	83.33% <50.00%> (ø)
...ere-operator/pkg/kubernetes/configmap/configmap.go	46.15% <100.00%> (ø)

... and 20 files with indirect coverage changes

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

[Xu-Wentao]

lgtm

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

No Coverage information
0.0% Duplication