Fix selectbox for primary language.
Fix selectbox for primary language.

Setting the readonly attribute to "false" enables it.  We need to
remove the attribute to make it not read-only.

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