tern: delete contentless, languageless languages (cherry picked from commit 9d8997f4adad57cc099531736618098a6123e72a)
tern: delete contentless, languageless languages
(cherry picked from commit 9d8997f4adad57cc099531736618098a6123e72a)

ReachingOut/unisubs,wevoice/wesub,ujdhesa/unisubs,wevoice/wesub,ReachingOut/unisubs,eloquence/unisubs,pculture/unisubs,wevoice/wesub,ofer43211/unisubs,norayr/unisubs,norayr/unisubs,pculture/unisubs,eloquence/unisubs,norayr/unisubs,norayr/unisubs,eloquence/unisubs,pculture/unisubs,ofer43211/unisubs,ujdhesa/unisubs,wevoice/wesub,ofer43211/unisubs,ReachingOut/unisubs,ReachingOut/unisubs,pculture/unisubs,eloquence/unisubs,ofer43211/unisubs,ujdhesa/unisubs,ujdhesa/unisubs