Read-functions for triple manager; removed unused comparator files

[bowenxia]

What changed?
add read-functions for triple manager
removed unused comparator files because those are in mono repo now.

Why?
code coverage week

How did you test it?
unit test

Potential risks

Release notes

Documentation Changes

[codecov]

Codecov Report

Merging #5879 (4bace34) into master (b41175f) will increase coverage by 0.27%.
The diff coverage is n/a.

Additional details and impacted files

see 5 files with indirect coverage changes

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[coveralls]

Pull Request Test Coverage Report for Build 018eb046-0fc5-4fa0-9d12-d6dcb7cfbb9d

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 13 unchanged lines in 4 files lost coverage.
• Overall coverage increased (+0.2%) to 66.803%

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Files with Coverage Reduction	New Missed Lines	%
common/cache/lru.go	2	92.89%
service/history/queue/transfer_queue_processor.go	2	57.17%
service/matching/matcher.go	2	90.72%
service/matching/taskListManager.go	7	79.7%

Totals
Change from base Build 018eb042-ac3a-4dd1-b776-db1bed1cebdf:	0.2%
Covered Lines:	97518
Relevant Lines:	145979

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💛 - Coveralls