fix(progressbar): fix bs4, animation, add striped option, remove bs4 demos

[IlyaSurmay]

PR Checklist

Before creating new PR, please take a look at checklist below to make sure that you've done everything that needs to be done before we can merge it.

• read and followed the CONTRIBUTING.md guide.
• built and tested the changes locally.
• added/updated tests.
• added/updated API documentation.
• added/updated demos.

BREAKING CHANGES:
Removed ProgressDirective

[codecov]

Codecov Report

Merging #3500 into development will increase coverage by 0.2%.
The diff coverage is 95.45%.

@@              Coverage Diff               @@
##           development    #3500     +/-   ##
==============================================
+ Coverage        72.07%   72.27%   +0.2%     
==============================================
  Files              251      249      -2     
  Lines             8149     8098     -51     
  Branches          1548     1536     -12     
==============================================
- Hits              5873     5853     -20     
+ Misses            1850     1821     -29     
+ Partials           426      424      -2

Impacted Files	Coverage Δ
src/progressbar/progressbar.module.ts	100% <ø> (ø)	⬆️
src/progressbar/index.ts	100% <ø> (ø)	⬆️
src/progressbar/progressbar.config.ts	100% <100%> (ø)	⬆️
src/progressbar/progressbar.component.ts	93.33% <100%> (-0.42%)	⬇️
src/index.ts	100% <100%> (ø)	⬆️
src/progressbar/bar.component.ts	90.32% <75%> (+3.65%)	⬆️
src/datepicker/bs-daterangepicker.component.ts	34.66% <0%> (-0.86%)	⬇️
src/datepicker/datepicker.module.ts	92.3% <0%> (-0.55%)	⬇️
...c/datepicker/bs-daterangepicker-input.directive.ts	27.14% <0%> (-0.13%)	⬇️
src/datepicker/bs-datepicker.config.ts	100% <0%> (ø)	⬆️
... and 3 more

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