Remove skip `tool_xsd` #261

Job	Run time
Setup cache and determine changed repositories (3.7)	2m 21s
Lint Python scripts (3.7)	13s
Check file sizes	6s
Lint tool-list (3.7)	29s
Lint R scripts (ubuntu-20.04, release)	2m 17s
Test tools (0, 3.7)	14m 44s
Combine chunked test results (3.7)	32s
Check workflow success	1s
Deploy	0s
Report deploy status	0s
	20m 43s

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