gfsc100_defconfig: Use savedefconfig

Change-Id: Ic0d7c9946477abe662edd8a374d526a9b235c4db
diff --git a/arch/arm/configs/gfsc100_defconfig b/arch/arm/configs/gfsc100_defconfig
index 2c820e6..ae2b05a 100644
--- a/arch/arm/configs/gfsc100_defconfig
+++ b/arch/arm/configs/gfsc100_defconfig
@@ -288,7 +288,6 @@
 CONFIG_CRYPTO_NULL=y
 CONFIG_CRYPTO_AUTHENC=y
 CONFIG_CRYPTO_CCM=m
-CONFIG_CRYPTO_CBC=y
 CONFIG_CRYPTO_HMAC=y
 CONFIG_CRYPTO_MD5=y
 CONFIG_CRYPTO_SHA1=y