Remove maxiv pipeline trigger and clean up unused files

[nguyenlinhlinh]

Description

Short description of the pull request

Motivation

Background on use case, changes needed

Fixes:

• Items added

Changes:

• changes made

Tests included/Docs Updated?

• Included for each change/fix?
• Passing? (Merge will not be approved unless this is checked)
• Docs updated?
• New packages used/requires npm install?
• Toggle added for new features?
• Requires update of SciCat backend API?

[coveralls]

Pull Request Test Coverage Report for Build 2878245856

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 25 unchanged lines in 5 files lost coverage.
• Overall coverage decreased (-0.9%) to 73.97%

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Files with Coverage Reduction	New Missed Lines	%
src/app/datasets/admin-tab/admin-tab.component.ts	2	30.95%
src/app/datasets/dataset-lifecycle/dataset-lifecycle.component.ts	2	79.41%
src/app/datasets/dataset-detail/dataset-detail.component.ts	5	80.37%
src/app/datasets/reduce/reduce.component.ts	6	38.36%
src/app/datasets/dataset-details-dashboard/dataset-details-dashboard.component.ts	10	31.85%

Totals
Change from base Build 2861367528:	-0.9%
Covered Lines:	3648
Relevant Lines:	4528

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💛 - Coveralls