Drop template generation for updating .tx/config #271

Job	Run time
sync / sync	2m 22s
check / Lint translations	51s
check / Check for zero-width space characters	8s
check / Build docs (latex)	6m 53s
check / Build docs (html)	6m 38s
check / Build docs (epub)	7m 7s
check / Build docs (pdf)	0s
	23m 59s

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