clean up some headers

Signed-off-by: Connor Tsui <connor.tsui20@gmail.com>

Author: connortsui20

src/include/storage/index/b_plus_tree_debug.h

@@ -13,7 +13,6 @@
 #include <sstream>
 #include <string>
 
-#include "common/exception.h"
 #include "common/logger.h"
 #include "common/rid.h"
 #include "storage/index/b_plus_tree.h"

src/include/storage/index/b_plus_tree_index.h

@@ -12,9 +12,7 @@
 
 #pragma once
 
-#include <map>
 #include <memory>
-#include <string>
 #include <vector>
 
 #include "container/hash/hash_function.h"

src/include/storage/index/index.h

@@ -19,7 +19,6 @@
 
 #include "catalog/schema.h"
 #include "storage/table/tuple.h"
-#include "type/value.h"
 
 namespace bustub {