Drop template generation for updating .tx/config #262

Job	Run time
sync / sync	2m 53s
check / Build docs (html)	7m 21s
check / Build docs (epub)	7m 16s
check / Check for zero-width space characters	11s
check / Lint translations	56s
check / Build docs (latex)	7m 13s
check / Build docs (pdf)	11m 46s
	37m 36s

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