feat(auth): remove bootstrap

[yggg]

Please read and mark the following check list before creating a pull request:

• I read and followed the CONTRIBUTING.md guide.
• I read and followed the New Feature Checklist guide.

Short description of what this resolves:

[codecov]

Codecov Report

Merging #738 into master will decrease coverage by 0.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master     #738      +/-   ##
==========================================
- Coverage   76.78%   76.77%   -0.02%     
==========================================
  Files         198      198              
  Lines        5717     5718       +1     
  Branches      433      433              
==========================================
  Hits         4390     4390              
- Misses       1233     1234       +1     
  Partials       94       94

Impacted Files	Coverage Δ
...auth/components/auth-block/auth-block.component.ts	100% <ø> (ø)	⬆️
src/framework/auth/components/auth.component.ts	44.44% <ø> (ø)	⬆️
...framework/auth/components/login/login.component.ts	21.95% <0%> (-0.55%)	⬇️

[nnixaa]

we have a variable for bold

[nnixaa]

variable