Reverted addition of 5 specialized method from LinearSeqOptimized to List.
Reverted addition of 5 specialized method from LinearSeqOptimized to List.

It seems any gains were more then compensated by the loss of making map polymorphic, probably preventing inlining decisions in Hotspot.

shimib/scala,lrytz/scala,slothspot/scala,lrytz/scala,martijnhoekstra/scala,shimib/scala,felixmulder/scala,scala/scala,felixmulder/scala,felixmulder/scala,jvican/scala,lrytz/scala,scala/scala,lrytz/scala,jvican/scala,martijnhoekstra/scala,scala/scala,jvican/scala,martijnhoekstra/scala,martijnhoekstra/scala,slothspot/scala,shimib/scala,scala/scala,jvican/scala,martijnhoekstra/scala,slothspot/scala,slothspot/scala,felixmulder/scala,shimib/scala,felixmulder/scala,felixmulder/scala,shimib/scala,jvican/scala,jvican/scala,jvican/scala,martijnhoekstra/scala,lrytz/scala,slothspot/scala,lrytz/scala,slothspot/scala,felixmulder/scala,slothspot/scala,shimib/scala,scala/scala,scala/scala