Drop template generation for updating .tx/config #273

Job	Run time
sync / sync	2m 47s
check / Lint translations	49s
check / Build docs (latex)	7m 26s
check / Build docs (epub)	7m 10s
check / Build docs (html)	7m 22s
check / Check for zero-width space characters	7s
check / Build docs (pdf)	0s
	25m 41s

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