Delete `02-chapter_of_course.Rmd` #4

Job	Run time
Load user automation choices	5s
Style code	44s
Render preview	1m 5s
Check quiz formatting	0s
Check spelling / error-check	1m 3s
Check spelling / status-update	6s
Check URLs / error-check	1m 2s
Check URLs / status-update	3s
	4m 8s

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