Update to 2.18.10.

• Relax wording around restrictive licensing [1]
• Remove the check for extra items in the USE/USES section [2] One is allowed to put any _related_ variables here, and this will always change. It's easier not to check than to provide wrong recommendations.
• Fix the check for unspecified license files [3]

PR: 240233 [1]

		239045 [2]
		231303 [3]