Minor changes

[liangxin1300]

Include:

• Dev: Remove unused code about hb_delnode
• Dev: crash_test.utils: Reuse color constants from crmsh.constants
• Dev: ui_configure: Remove _keywords interface and unused code

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.84%. Comparing base (a1e0fb1) to head (427d4f3).
Report is 10 commits behind head on master.

Additional details and impacted files

Flag	Coverage Δ
integration	53.77% <0.00%> (?)
unit	50.36% <100.00%> (?)

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Files	Coverage Δ
crmsh/config.py	81.54% <ø> (ø)
crmsh/constants.py	100.00% <ø> (ø)
crmsh/crash_test/utils.py	90.00% <100.00%> (+90.00%)	⬆️
crmsh/ui_configure.py	43.72% <ø> (-0.10%)	⬇️
crmsh/ui_node.py	43.84% <ø> (-0.15%)	⬇️

... and 35 files with indirect coverage changes

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[nicholasyang2022]

For the colors, there are still 2 variants: one is in constants, the other is in term. It is worth to create a issue to track it.

[liangxin1300]

For the colors, there are still 2 variants: one is in constants, the other is in term. It is worth to create a issue to track it.

I've created one issue #1467 to track this
Then I think this PR is ready to go