!18 优化menuconfig.h的使用

Merge pull request !18 from Caoruihong/menuconfig

kernel/obj/include/bits/alltypes.h

-#include "menuconfig.h"
 #ifndef YES
 #define YES  1
 #endif

kernel/src/stdio/fclose.c

 #include "stdio_impl.h"
 #include <stdlib.h>
-#include "menuconfig.h"
 #ifdef LOSCFG_LLTSER
 #include "gcov_ser.h"
 #endif

kernel/src/stdio/fopen.c

@@ -4,7 +4,6 @@
 #include <string.h>
 #include <errno.h>
 #include <limits.h>
-#include "menuconfig.h"
 #ifdef LOSCFG_LLTSER
 #include "gcov_ser.h"
 #endif

kernel/src/stdio/fread.c

 #include "stdio_impl.h"
 #include <string.h>
-#include "menuconfig.h"
 #ifdef LOSCFG_LLTSER
 #include "gcov_ser.h"
 #endif

kernel/src/stdio/fwrite.c

 #include "stdio_impl.h"
 #include <string.h>
-#include "menuconfig.h"
 #ifdef LOSCFG_LLTSER
 #include "gcov_ser.h"
 #endif

kernel/src/stdio/remove.c

@@ -2,7 +2,6 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <unistd.h>
-#include "menuconfig.h"
 #include "fs/fs.h"
 #include "fs/file.h"