Reenable most Aqua tests

Author: mtfishman

test/test_aqua.jl

@@ -3,6 +3,6 @@ using Aqua: Aqua
 using Test: @testset
 
 @testset "Code quality (Aqua.jl)" begin
-  # TODO: Fix Aqua issues and add this back.
-  # Aqua.test_all(BlockSparseArrays)
+  # TODO: Reenable ambiguity and piracy checks.
+  Aqua.test_all(BlockSparseArrays; ambiguities=false, piracies=false)
 end