fix(KFLUXUI-302): remove the join the waitlist flow from UI

[StanislavJochman]

Backport of KFLUXUI-302

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 80.32%. Comparing base (1d178fc) to head (b30b244).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
src/components/Overview/IntroBanner.tsx	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #99      +/-   ##
==========================================
+ Coverage   80.11%   80.32%   +0.21%     
==========================================
  Files         577      574       -3     
  Lines       21494    21358     -136     
  Branches     5327     5032     -295     
==========================================
- Hits        17219    17156      -63     
+ Misses       4251     4178      -73     
  Partials       24       24              

Flag	Coverage Δ
unittests	80.32% <0.00%> (+0.21%)	⬆️

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[JoaoPedroPP]

LGTM.

Join waitlist button was removed from the UI and its components deleted from the project.

[JoaoPedroPP]

Message to provide support is always on the screen and maybe we can improve style

[JoaoPedroPP]

LGTM

The UI is working and displaying the View applications only if there are applications.
The codecov/patch check can be ignored since it refers to deleted files