fixup! datadeps: Optimize remote ArgumentWrapper lookup

Author: jpsamaroo

src/memory-spaces.jl

@@ -380,8 +380,6 @@ end
 aliasing(::String) = NoAliasing() # FIXME: Not necessarily true
 aliasing(::Symbol) = NoAliasing()
 aliasing(::Type) = NoAliasing()
-aliasing(x::DTask, T) = aliasing(fetch(x; raw=true), T)
-aliasing(x::DTask) = aliasing(fetch(x; raw=true))
 function aliasing(x::Chunk, T)
     @assert x.handle isa DRef
     if root_worker_id(x.processor) == myid()