Remove use of global allowscalar in tests

Author: mtfishman

test/test_abstract_blocktype.jl

@@ -1,7 +1,6 @@
 using Adapt: adapt
 using BlockArrays: Block
 using BlockSparseArrays: BlockSparseMatrix, blockstoredlength
-using GPUArraysCore: allowscalar
 using JLArrays: JLArray
 using LinearAlgebra: hermitianpart, norm
 using MatrixAlgebraKit: eig_full, eig_trunc, eig_vals, eigh_full, eigh_trunc, eigh_vals,
@@ -15,7 +14,6 @@ arrayts = (Array, JLArray)
 @testset "Abstract block type (arraytype=$arrayt, eltype=$elt)" for arrayt in arrayts,
         elt in elts
 
-    arrayt === Array || allowscalar(false)
     dev = adapt(arrayt)
 
     a = BlockSparseMatrix{elt, AbstractMatrix{elt}}(undef, [2, 3], [2, 3])