[Interpreter] Remove constant pool type in tests

test/cctest/interpreter/bytecode_expectations/BreakableBlocks.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
-pool type: mixed
 execute: yes
 wrap: yes
 
 ---
 snippet: "
   var x = 0;
   label: {
     x = x + 1;
     break label;
     x = x + 1;
@@ skipping 99 matching lines @@
   /*   53 S> */ B(LdaSmi), U8(10),
   /*   53 E> */ B(StaContextSlot), R(context), U8(4),
                 B(Mov), R(0), R(1),
                 B(Ldar), R(0),
   /*   88 S> */ B(Jump), U8(2),
                 B(PopContext), R(2),
                 B(LdaUndefined),
   /*  103 S> */ B(Return),
 ]
 constant pool: [
-  InstanceType::FIXED_ARRAY_TYPE,
-  InstanceType::SHARED_FUNCTION_INFO_TYPE,
+  FIXED_ARRAY_TYPE,
+  SHARED_FUNCTION_INFO_TYPE,
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   let x = 1;
   outer: {
     inner: {
      let y = 2;
@@ skipping 49 matching lines @@
                 B(JumpIfNotHole), U8(11),
                 B(LdaConstant), U8(3),
                 B(Star), R(5),
                 B(CallRuntime), U16(Runtime::kThrowReferenceError), R(5), U8(1),
                 B(Ldar), R(4),
                 B(StaContextSlot), R(context), U8(4),
                 B(LdaUndefined),
   /*  162 S> */ B(Return),
 ]
 constant pool: [
-  InstanceType::FIXED_ARRAY_TYPE,
-  InstanceType::SHARED_FUNCTION_INFO_TYPE,
-  InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
-  InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+  FIXED_ARRAY_TYPE,
+  SHARED_FUNCTION_INFO_TYPE,
+  ONE_BYTE_INTERNALIZED_STRING_TYPE ["y"],
+  ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
 ]
 handlers: [
 ]