enhance: Remove unnecessary segment validation on worker node

[weiliu1031]

issue: #38109
This PR remove unnecessary segment validation on worker node, also refine the segment's func call on pin and unpin.

[sre-ci-robot]

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[codecov]

Codecov Report

Attention: Patch coverage is 75.34247% with 18 lines in your changes missing coverage. Please review.

Project coverage is 80.90%. Comparing base (833c74a) to head (25260fe).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/querynodev2/segments/search.go	75.67%	8 Missing and 1 partial ⚠️
internal/querynodev2/segments/statistics.go	45.45%	6 Missing ⚠️
internal/querynodev2/segments/retrieve.go	81.81%	2 Missing ⚠️
internal/querynodev2/handlers.go	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #38108      +/-   ##
==========================================
+ Coverage   78.77%   80.90%   +2.13%     
==========================================
  Files        1365     1372       +7     
  Lines      191753   192965    +1212     
==========================================
+ Hits       151058   156123    +5065     
+ Misses      35198    31335    -3863     
- Partials     5497     5507      +10     

Components	Coverage Δ
Client	74.58% <ø> (ø)
Core	68.91% <ø> (ø)
Go	83.02% <75.34%> (+2.53%)	⬆️

Files with missing lines	Coverage Δ
internal/querynodev2/tasks/query_stream_task.go	78.72% <100.00%> (-0.45%)	⬇️
internal/querynodev2/tasks/query_task.go	90.09% <100.00%> (-0.09%)	⬇️
internal/querynodev2/tasks/search_task.go	84.49% <100.00%> (+1.37%)	⬆️
internal/querynodev2/handlers.go	77.07% <75.00%> (-0.12%)	⬇️
internal/querynodev2/segments/retrieve.go	82.53% <81.81%> (+0.13%)	⬆️
internal/querynodev2/segments/statistics.go	71.79% <45.45%> (-0.43%)	⬇️
internal/querynodev2/segments/search.go	65.95% <75.67%> (+8.47%)	⬆️

... and 249 files with indirect coverage changes

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/run-cpu-e2e

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[weiliu1031]

rerun go-sdk

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