Remove cartesian indexing into Block

Author: mtfishman

src/blockindices.jl

@@ -56,7 +56,6 @@ broadcastable(x::Block) = Ref(x)
 ndims(::Type{<:Block}) = 0
 ndims(::Block) = 0
 eltype(::Type{B}) where B<:Block = B
-getindex(B::Block, ::CartesianIndex{0}) = BlockIndex()
 
 # The following code is taken from CartesianIndex
 @inline (+)(index::Block{N}) where {N} = Block{N}(map(+, index.n))

test/test_blockindices.jl

@@ -85,7 +85,6 @@ import BlockArrays: BlockIndex, BlockIndexRange, BlockSlice
 
     @testset "BlockIndex" begin
         @test Block()[] == BlockIndex()
-        @test Block()[CartesianIndex()] == BlockIndex()
         @test Block(1)[1] == BlockIndex((1,),(1,))
         @test Block(1)[1:2] == BlockIndexRange(Block(1),(1:2,))
         @test Block(1,1)[1,1] == BlockIndex((1,1),(1,1)) == BlockIndex((1,1),(1,))