fix error related to search user and search groups

[stonezdj]

Remove the unused function MostMatchSorter, it should not be implemented in golang, should be implement in the db query.
Remove the unused function onBoardCommonUserGroup()
fixes #22573

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Comprehensive Summary of your change

Issue being fixed

Fixes #(issue)

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• Well Written Title and Summary of the PR
• Label the PR as needed. "release-note/ignore-for-release, release-note/new-feature, release-note/update, release-note/enhancement, release-note/community, release-note/breaking-change, release-note/docs, release-note/infra, release-note/deprecation"
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[codecov]

Codecov Report

❌ Patch coverage is 42.10526% with 22 lines in your changes missing coverage. Please review.
✅ Project coverage is 65.86%. Comparing base (c8c11b4) to head (55e2bd2).
⚠️ Report is 598 commits behind head on main.

Files with missing lines	Patch %	Lines
src/pkg/user/dao/dao.go	57.14%	4 Missing and 2 partials ⚠️
src/pkg/usergroup/dao/dao.go	57.14%	4 Missing and 2 partials ⚠️
src/controller/user/controller.go	0.00%	2 Missing ⚠️
src/controller/usergroup/controller.go	0.00%	2 Missing ⚠️
src/pkg/user/manager.go	0.00%	2 Missing ⚠️
src/pkg/usergroup/manager.go	0.00%	2 Missing ⚠️
src/server/v2.0/handler/user.go	0.00%	1 Missing ⚠️
src/server/v2.0/handler/usergroup.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main   #22606       +/-   ##
===========================================
+ Coverage   45.36%   65.86%   +20.49%     
===========================================
  Files         244     1073      +829     
  Lines       13333   116095   +102762     
  Branches     2719     2931      +212     
===========================================
+ Hits         6049    76468    +70419     
- Misses       6983    35386    +28403     
- Partials      301     4241     +3940     

Flag	Coverage Δ
unittests	65.86% <42.10%> (+20.49%)	⬆️

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

Files with missing lines	Coverage Δ
src/common/utils/utils.go	82.23% <ø> (ø)
src/server/v2.0/handler/user.go	18.44% <0.00%> (ø)
src/server/v2.0/handler/usergroup.go	0.00% <0.00%> (ø)
src/controller/user/controller.go	15.57% <0.00%> (ø)
src/controller/usergroup/controller.go	18.18% <0.00%> (ø)
src/pkg/user/manager.go	53.84% <0.00%> (ø)
src/pkg/usergroup/manager.go	53.24% <0.00%> (ø)
src/pkg/user/dao/dao.go	53.16% <57.14%> (ø)
src/pkg/usergroup/dao/dao.go	52.52% <57.14%> (ø)

... and 978 files with indirect coverage changes

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