[manually backport workspace-2.9] Retire dashboards management (#138)

[raintygao]

• feat: retire management section

Signed-off-by: tygao tygao@amazon.com

• fix: fix path

Signed-off-by: tygao tygao@amazon.com

• chore: remove unused

Signed-off-by: tygao tygao@amazon.com

• fix: update path

Signed-off-by: tygao tygao@amazon.com

• fix: update path

Signed-off-by: tygao tygao@amazon.com

• chore: remove unused after rebase

Signed-off-by: tygao tygao@amazon.com

• fix: remove extra import

Signed-off-by: tygao tygao@amazon.com

---

Signed-off-by: tygao tygao@amazon.com
(cherry picked from commit d7dbedf)

Description

Issues Resolved

Screenshot

Testing the changes

Check List

• All tests pass
  • yarn test:jest
  • yarn test:jest_integration
  • yarn test:ftr
• New functionality includes testing.
• New functionality has been documented.
• Update CHANGELOG.md
• Commits are signed per the DCO using --signoff

[codecov-commenter]

Codecov Report

Merging #171 (ebe0ec6) into workspace-2.9 (b33221a) will increase coverage by 0.00%.
Report is 2 commits behind head on workspace-2.9.
The diff coverage is 0.00%.

@@              Coverage Diff               @@
##           workspace-2.9     #171   +/-   ##
==============================================
  Coverage          54.72%   54.72%           
==============================================
  Files               3038     3038           
  Lines              60497    60490    -7     
  Branches            9528     9527    -1     
==============================================
- Hits               33108    33106    -2     
+ Misses             25446    25441    -5     
  Partials            1943     1943           

Flag	Coverage Δ
Linux_1	34.77% <0.00%> (+<0.01%)	⬆️
Linux_3	42.74% <0.00%> (+<0.01%)	⬆️
Linux_4	34.70% <0.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
...c/core/public/chrome/ui/header/collapsible_nav.tsx	0.00% <0.00%> (ø)
src/core/utils/default_app_categories.ts	100.00% <ø> (ø)
src/plugins/advanced_settings/public/plugin.ts	22.22% <ø> (ø)
...page/overview_page_header/overview_page_header.tsx	63.63% <ø> (ø)
.../plugins/saved_objects_management/public/plugin.ts	72.00% <ø> (+3.03%)	⬆️

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