Minor cleanup of arrays

Author: alastairreid

tests/filecheck/dialects/asl/primitives.mlir

@@ -121,8 +121,6 @@ builtin.module {
 
     %gref = asl.address_of @G : !asl.ref<!asl.bits<32>>
     %aref = asl.address_of @A : !asl.ref<!asl.array<16 x !asl.bits<32>>>
-    // %eref = asl.array_ref %aref[%int1] : !asl.ref<!asl.array<16 x !asl.bits<32>>>
-    // asl.store %bits1 to %gref : !asl.bits<32>
     %eref = asl.array_ref %aref[%int1] : !asl.ref<!asl.array<16 x !asl.bits<32>>> -> !asl.ref<!asl.bits<32>>
     asl.store %bits to %gref : !asl.bits<32>
     %load = asl.load from %eref : !asl.bits<32>