Clean up extraneous comments

Author: mtfishman

src/blocksparsearrayinterface/getunstoredblock.jl

@@ -18,17 +18,10 @@ function Base.AbstractArray{A}(a::ZeroBlocks{N}) where {N,A}
 end
 
 @inline function Base.getindex(a::ZeroBlocks{N,A}, I::Vararg{Int,N}) where {N,A}
-
-  #foreach(display, a.parentaxes)
-  #foreach(display ∘ eachblockaxis, a.parentaxes)
-
   # TODO: Use `BlockArrays.eachblockaxes`.
   ax = ntuple(N) do d
     return eachblockaxis(a.parentaxes[d])[I[d]]
   end
-
-  #@show ax
-
   !isconcretetype(A) && return zero!(similar(Array{eltype(A),N}, ax))
   return zero!(similar(A, ax))
 end