Tests: Remove old hack from before unpacked structs

test_regress/t/t_sv_cpu_code/ports.sv

@@ -6,12 +6,6 @@
 
 // Contributed by M W Lund, Atmel Corporation.
 
-`ifdef VERILATOR  //TODO
- `define PACKED packed
-`else
- `define  packed
-`endif
-
 module ports
  #( parameter
       ID = 1 )
@@ -42,12 +36,12 @@ module ports
 
 
   // **** Interal Registers ****
-  struct `PACKED
+  struct
   {
     logic [7:0][1:0] in;
     logic [7:0]      dir;
     logic [7:0]      out;
-    struct `PACKED
+    struct
     {
     logic [7:2]      reserved;
     logic            pullupen;