image: remove redundant hash includes

Remove the redundant includes of u-boot/md5.h, u-boot/sha1.h,
u-boot/sha256.h and u-boot/sha512.h

Signed-off-by: Raymond Mao <raymond.mao@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@gmail.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/boot/image-fit.c b/boot/image-fit.c
index fb03cab..f6464bc 100644
--- a/boot/image-fit.c
+++ b/boot/image-fit.c
@@ -37,10 +37,6 @@
 #include <image.h>
 #include <bootstage.h>
 #include <u-boot/crc.h>
-#include <u-boot/md5.h>
-#include <u-boot/sha1.h>
-#include <u-boot/sha256.h>
-#include <u-boot/sha512.h>
 
 /*****************************************************************************/
 /* New uImage format routines */
diff --git a/boot/image.c b/boot/image.c
index eb12e4b..bacf514 100644
--- a/boot/image.c
+++ b/boot/image.c
@@ -25,8 +25,6 @@
 #endif
 
 #include <asm/global_data.h>
-#include <u-boot/md5.h>
-#include <u-boot/sha1.h>
 #include <linux/errno.h>
 #include <asm/io.h>