remove extra sub_materialize methods (#156)

Author: jishnub

Project.toml

@@ -16,7 +16,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 Aqua = "0.6"
 ArrayLayouts = "1"
 BandedMatrices = "0.17.2"
-BlockArrays = "0.16.26"
+BlockArrays = "0.16.34"
 FillArrays = "1"
 MatrixFactorizations = "1"
 julia = "1.6"

src/linalg.jl

@@ -100,9 +100,7 @@ isblockbanded(V::SubArray{<:Any,2,<:Any,<:Tuple{<:BlockSlices, <:BlockSlices}})
     isblockbanded(parent(V))
 
 sub_materialize(::AbstractBlockBandedLayout, V, _) = BlockBandedMatrix(V)
-sub_materialize(::AbstractBlockBandedLayout, V, ::Tuple{<:BlockedUnitRange,<:BlockedUnitRange}) = BlockBandedMatrix(V)
 sub_materialize(::BlockLayout{<:AbstractBandedLayout}, V, _) = BlockBandedMatrix(V)
-sub_materialize(::BlockLayout{<:AbstractBandedLayout}, V, ::Tuple{<:BlockedUnitRange,<:BlockedUnitRange}) = BlockBandedMatrix(V)
 
 strides(V::SubBlockSkylineMatrix{<:Any,LL,UU,<:Union{BlockRange1,Block1},Block1}) where {LL,UU} =
     (1,parent(V).block_sizes.block_strides[Int(parentindices(V)[2].block)])