aes: main.c: Remove unnecessary initialization

Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
diff --git a/aes/host/main.c b/aes/host/main.c
index 0d8724c..fbb6161 100644
--- a/aes/host/main.c
+++ b/aes/host/main.c
@@ -196,7 +196,6 @@
 	set_iv(&ctx, iv, AES_TEST_KEY_SIZE);
 
 	printf("Decode buffer from TA\n");
-	memset(clear, 0x5a, sizeof(clear)); /* Load some dummy value */
 	cipher_buffer(&ctx, ciph, temp, AES_TEST_BUFFER_SIZE);
 
 	/* Check decoded is the clear content */