fix(rhosak): ent-4689 (sw-93) billing provider, remove none option

[cdcabrera]

What's included

• fix(rhosak): ent-4689 remove none option fix(rhosak): sw-93 billing provider, remove none option

Notes

• removes the none option, behavior for fix(rhosak): ent-4689 none, unknown billing provider #936 should be updated to reflect this
• introduces "unique" additional options for our dropdown listing components when compared with existing lists
  • as silly as this seems, this update will affect generating future lists, and force unique qualities to be configured either in the API or GUI
    • consistency of dropdown options vs what the API provides is the underlying issue... why is the option being provided in the first place
• marking this as blocked since "removing none" was posed as a solution without accounting for configuration

How to test

Proxy run check

1. update the NPM packages with $ yarn
2. make sure Docker is running, plus on network, then
3. $ yarn start:proxy
4. navigate to RHOSAK, confirm the select/dropdown only has the options displayed in the below example

Example

Updates issue/story

ent-4689 aka SWATCH-93

[codecov-commenter]

Codecov Report

Merging #951 (74954c9) into dev (71504ff) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##              dev     #951      +/-   ##
==========================================
+ Coverage   93.94%   93.96%   +0.02%     
==========================================
  Files         129      129              
  Lines        4044     4044              
  Branches     1583     1583              
==========================================
+ Hits         3799     3800       +1     
+ Misses        227      226       -1     
  Partials       18       18              

Impacted Files	Coverage Δ
src/services/rhsm/rhsmConstants.js	100.00% <ø> (ø)
src/common/helpers.js	100.00% <0.00%> (+1.63%)	⬆️

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[bclarhk]

Yep, remove none plz thx