My degree is clearly in being mansplained to! 
Most people on her know I am an English teacher. I really enjoyed having English Lit and English explained to me!
So you are aware, the GCSE in Eng Lang is not 'counted' for league tables unless students have also been entered for Lit. Something to do with buckets.
I would also argue that students ought to be reading literary works for as long as possible : not only is it enlightening and culturally enriching, it's a very important aspect of education.
Most schools do Eng Lit for all and still manage to squeeze in a ridiculous amount of other subjects. the reduction of this to a narrow range is not to do with Eng Lit : it has more to do with EBacc, League tables, and options pathways. In a school like mine, students can genuinely do whatever they want. We recently reduced form 5 extra choices to 4, but they still get plenty of variety, and many do all three sciences, a creative subject, a humanity , a soc sci subject. Many do languages but the decline in this is, again, nothing to do with English lit!