Remove unnecessary __array_prepare__
Remove unnecessary __array_prepare__

cowlicks/dask,blaze/dask,mraspaud/dask,ContinuumIO/dask,vikhyat/dask,jcrist/dask,ssanderson/dask,dask/dask,clarkfitzg/dask,PhE/dask,clarkfitzg/dask,jakirkham/dask,mrocklin/dask,cpcloud/dask,vikhyat/dask,wiso/dask,chrisbarber/dask,mraspaud/dask,blaze/dask,ssanderson/dask,jcrist/dask,ContinuumIO/dask,wiso/dask,PhE/dask,dask/dask,mikegraham/dask,jakirkham/dask,pombredanne/dask,pombredanne/dask,gameduell/dask,mrocklin/dask