Fixing x-pack referneces and updating default values of variables

[gizas]

What does this PR do?

Small documentation updates. Removing x-pack references and updating default values of variables

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

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• Start Time: 2022-11-03T08:14:37.554+0000

• Duration: 16 min 41 sec

Test stats 🧪

Test	Results
Failed	0
Passed	9
Skipped	0
Total	9

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (0/0)	💚
Files	100.0% (0/0)	💚
Classes	100.0% (0/0)	💚
Methods	88.889% (8/9)	❕
Lines	100.0% (0/0)	💚
Conditionals	100.0% (0/0)	💚

[tetianakravchenko]

Thank you for fixing it!