Change coffee-script npm dep to coffeescript (#734)
Change coffee-script npm dep to coffeescript (#734)

coffee-loader depends on coffeescript so this stops yarn from complaining
usertesting/webpacker,usertesting/webpacker,rossta/webpacker,rails/webpacker,gauravtiwari/webpacker,rossta/webpacker,usertesting/webpacker,rossta/webpacker,rossta/webpacker,rails/webpacker,gauravtiwari/webpacker,gauravtiwari/webpacker