Dev: utils: Reuse methods in xmlutil.CrmMonXmlParser

[liangxin1300]

• Drop functions has_resource_configured and is_resource_running
• Dev: crash_test: Removed unused codes related to check.py; If there is new "check" functionality, add it to cluster health command

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 70.40%. Comparing base (2b481a7) to head (a409023).
⚠️ Report is 44 commits behind head on master.

Additional details and impacted files

Flag	Coverage Δ
integration	55.68% <50.00%> (+0.49%)	⬆️
unit	52.43% <75.00%> (-0.52%)	⬇️

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

Files with missing lines	Coverage Δ
crmsh/crash_test/config.py	100.00% <ø> (ø)
crmsh/crash_test/main.py	97.36% <ø> (-2.64%)	⬇️
crmsh/crash_test/utils.py	86.76% <100.00%> (-3.35%)	⬇️
crmsh/utils.py	67.45% <100.00%> (-0.12%)	⬇️

... and 1 file with indirect coverage changes

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[liangxin1300]

• Dev: crash_test: Removed unused codes related to check.py; If there is new "check" functionality, add it to cluster health command

@zzhou1