[Interpreter] Remove constant pool type in tests

test/cctest/interpreter/bytecode_expectations/Switch.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
-pool type: number
 execute: yes
 wrap: yes
 
 ---
 snippet: "
   var a = 1;
   switch(a) {
    case 1: return 2;
    case 2: return 3;
   }
@@ skipping 437 matching lines @@
   /*  635 S> */ B(LdaSmi), U8(2),
                 B(Star), R(0),
   /*  644 S> */ B(Jump), U8(8),
   /*  662 S> */ B(LdaSmi), U8(3),
                 B(Star), R(0),
   /*  671 S> */ B(Jump), U8(2),
                 B(LdaUndefined),
   /*  680 S> */ B(Return),
 ]
 constant pool: [
-  262,
-  266,
+  Smi [262],
+  Smi [266],
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var a = 1;
   switch(a) {
    case 1: 
      switch(a + 1) {
@@ skipping 35 matching lines @@
   /*  176 S> */ B(LdaSmi), U8(3),
                 B(Star), R(0),
                 B(LdaUndefined),
   /*  185 S> */ B(Return),
 ]
 constant pool: [
 ]
 handlers: [
 ]