[Interpreter] Remove constant pool type in tests

test/cctest/interpreter/bytecode_expectations/ConstVariable.golden

Index: test/cctest/interpreter/bytecode_expectations/ConstVariable.golden
diff --git a/test/cctest/interpreter/bytecode_expectations/ConstVariable.golden b/test/cctest/interpreter/bytecode_expectations/ConstVariable.golden
index f2120cf87611a65012604d17d626092f6aedf58a..f1eba29d0c0eb81b1f3656bb2fc235b191b96189 100644
--- a/test/cctest/interpreter/bytecode_expectations/ConstVariable.golden
+++ b/test/cctest/interpreter/bytecode_expectations/ConstVariable.golden
@@ -3,7 +3,6 @@
 #
 
 ---
-pool type: string
 execute: yes
 wrap: yes
 
@@ -48,7 +47,7 @@ bytecodes: [
   /*   58 S> */ B(Return),
 ]
 constant pool: [
-  "x",
+  ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
 ]
 handlers: [
 ]
@@ -77,7 +76,7 @@ bytecodes: [
   /*   55 S> */ B(Return),
 ]
 constant pool: [
-  "x",
+  ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
 ]
 handlers: [
 ]
@@ -107,7 +106,7 @@ bytecodes: [
   /*   56 S> */ B(Return),
 ]
 constant pool: [
-  "x",
+  ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
 ]
 handlers: [
 ]