remove unneeded includes

Author: facontidavide

include/behaviortree_cpp/utils/convert_impl.hpp

@@ -13,7 +13,6 @@
 #pragma once
 
 #include <type_traits>
-#include <exception>
 #include "simple_string.hpp"
 
 #undef max

include/behaviortree_cpp/utils/locked_reference.hpp

@@ -1,6 +1,5 @@
 #pragma once
 
-#include <memory>
 #include <mutex>
 
 namespace BT

include/behaviortree_cpp/utils/strcat.hpp

@@ -2,10 +2,7 @@
 #define STRCAT_HPP
 
 #include <string_view>
-#include <array>
-#include <cstdint>
 #include <string>
-#include <type_traits>
 
 namespace BT {
 

tools/bt_plugin_manifest.cpp

@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <iostream>
-#include <fstream>
 #include <unordered_map>
+#include <unordered_set>
 #include "behaviortree_cpp/bt_factory.h"
 
 int main(int argc, char* argv[])