Make surv_reg() defunct and update NEWS

[bjornkallerud]

Fixes #1206.

[github-actions]

[air] _{reported by reviewdog 🐶}

parsnip/R/surv_reg.R

Lines 32 to 46 in 8928da4

	args <- list(
	dist = enquo(dist)
	)
	new_model_spec(
	"surv_reg",
	args = args,
	eng_args = NULL,
	mode = mode,
	user_specified_mode = !missing(mode),
	method = NULL,
	engine = engine,
	user_specified_engine = !missing(engine)
	)
	}