Replace CurrencyPipe and DecimalPipe with custom utility

[Blackbaud-SteveBrush]

Issue: https://github.com/blackbaud/skyux-i18n/issues/30

[codecov]

Codecov Report

Merging #74 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master    #74   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          18     19    +1     
  Lines         269    304   +35     
  Branches       44     52    +8     
=====================================
+ Hits          269    304   +35

Impacted Files	Coverage Δ
src/app/public/modules/format/format.ts	100% <ø> (ø)	⬆️
src/app/public/modules/numeric/numeric.module.ts	100% <ø> (ø)	⬆️
src/app/public/modules/numeric/numeric.service.ts	100% <100%> (ø)	⬆️
...pp/public/modules/numeric/number-format-utility.ts	100% <100%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update a3d5077...ee701f5. Read the comment docs.

[Blackbaud-AlexKingman]

Looks fine to me. Just one last question - this won't work in skyux2 unless we get your other updates from i18n, correct?

[Blackbaud-AlexKingman]

Ship it!