[jaeger-v2] Consolidate Options And NamespaceConfig For Badger Storage

[mahadzaryab1]

Which problem is this PR solving?

• Part of #5926

Description of the changes

• Removed the Options struct and renamed NamespaceConfig to Namespace for Badger Storage
• Moved v2-related configuration items to config.go while leaving v1 cli flags in options.go

How was this change tested?

• CI

Checklist

• [x] I have read https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
• [x] I have signed all commits
• [x] I have added unit tests for the new functionality
• [x] I have run lint and test steps successfully
  • for jaeger: make lint test
  • for jaeger-ui: yarn lint and yarn test

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.81%. Comparing base (8d8719a) to head (0ad11eb). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #5937 +/- ## ========================================== - Coverage 96.82% 96.81% -0.02% ========================================== Files 344 345 +1 Lines 16537 16528 -9 ========================================== - Hits 16012 16001 -11 - Misses 339 340 +1 - Partials 186 187 +1 ``` | [Flag](https://app.codecov.io/gh/jaegertracing/jaeger/pull/5937/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jaegertracing) | Coverage Δ | | |---|---|---| | [badger_v1](https://app.codecov.io/gh/jaegertracing/jaeger/pull/5937/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jaegertracing) | `8.03% <44.44%> (-0.06%)` | :arrow_down: | | [badger_v2](https://app.codecov.io/gh/jaegertracing/jaeger/pull/5937/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jaegertracing) | `1.82% <0.00%> (+<0.01%)` | :arrow_up: | | [cassandra-3.x-v1](https://app.codecov.io/gh/jaegertracing/jaeger/pull/5937/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jaegertracing) | `16.62% <0.00%> (+0.01%)` | :arrow_up: | | [cassandra-3.x-v2](https://app.codecov.io/gh/jaegertracing/jaeger/pull/5937/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jaegertracing) | `1.75% <0.00%> (+<0.01%)` | :arrow_up: | | [cassandra-4.x-v1](https://app.codecov.io/gh/jaegertracing/jaeger/pull/5937/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jaegertracing) | `16.62% <0.00%> (+0.01%)` | :arrow_up: | | [cassandra-4.x-v2](https://app.codecov.io/gh/jaegertracing/jaeger/pull/5937/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jaegertracing) | `1.75% 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[opensearch-2.x-v2](https://app.codecov.io/gh/jaegertracing/jaeger/pull/5937/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jaegertracing) | `1.81% <0.00%> (-0.02%)` | :arrow_down: | | [tailsampling-processor](https://app.codecov.io/gh/jaegertracing/jaeger/pull/5937/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jaegertracing) | `0.46% <0.00%> (+<0.01%)` | :arrow_up: | | [unittests](https://app.codecov.io/gh/jaegertracing/jaeger/pull/5937/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jaegertracing) | `95.29% <100.00%> (-0.02%)` | :arrow_down: | Flags with carried forward coverage won't be shown. 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