Formatting adjustments, script removal, and helm template rendering

[cubxxw]

🔍 What type of PR is this?

/kind documentation
/kind feature

👀 What this PR does / why we need it:

• My pull request adheres to the code style of this project
• My code requires changes to the documentation
• I have updated the documentation as required
• All the tests have passed

This PR makes some formatting adjustments and removes some unnecessary scripts. It also adds the ability to use helm template to render all helm templates into a single file for easy download.

🅰 Which issue(s) this PR fixes:

Fixes #1390

📝 Special notes for your reviewer:

🎯 Describe how to verify it

📑 Additional documentation e.g., RFC, notion, Google docs, usage docs, etc.:

[sweep-ai]

Apply Sweep Rules to your PR?

• Apply: All new business logic should have corresponding unit tests.
• Apply: Refactor large functions to be more modular.

[pull-request-size]

Whoa! Easy there, Partner!

This PR is too big. Please break it up into smaller PRs.

[codecov]

Codecov Report

Merging #1389 (0c35d00) into main (2ac54e0) will decrease coverage by 0.03%.
The diff coverage is 0.00%.

@@           Coverage Diff            @@
##            main   #1389      +/-   ##
========================================
- Coverage   4.37%   4.35%   -0.03%     
========================================
  Files         49      49              
  Lines       4090    4113      +23     
========================================
  Hits         179     179              
- Misses      3899    3922      +23     
  Partials      12      12              

Files	Coverage Δ
test/e2e/framework/config/config.go	25.80% <0.00%> (-74.20%)	⬇️