Remove redundant delegate creation

[xtqqczze]

PR Summary

Autofix RCS1114: Remove redundant delegate creation.

PR Context

Changes split from #13334

PR Checklist

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• Summarized changes
• Make sure all .h, .cpp, .cs, .ps1 and .psm1 files have the correct copyright header
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• Breaking changes
  • None
  • OR
  • [NA] Experimental feature(s) needed
    • [NA] Experimental feature name(s):
• User-facing changes
  • Not Applicable
  • OR
  • [NA] Documentation needed
    • [NA] Issue filed:
• Testing - New and feature
  • N/A or can only be tested interactively
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  • [NA] Make sure you've added a new test if existing tests do not effectively test the code changed
• Tooling
  • I have considered the user experience from a tooling perspective and don't believe tooling will be impacted.
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  • [NA] I have considered the user experience from a tooling perspective and enumerated concerns in the summary. This may include:
    • Impact on PowerShell Editor Services which is used in the PowerShell extension for VSCode (which runs in a different PS Host).
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    • Impact on PSScriptAnalyzer (which provides linting & formatting in the editor extensions).
    • Impact on EditorSyntax (which provides syntax highlighting with in VSCode, GitHub, and many other editors).

[xtqqczze]

@iSazonov @TravisEz13 This PR is changes split from #13334.

[TravisEz13]

This was a lot easier to review with all changes being of the same type and having a small number of changes.

[ghost]

🎉v7.1.0-preview.7 has been released which incorporates this pull request.:tada:

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