net: hns3: remove the unnecessary ccflags

driver inclusion
category: other
bugzilla: NA
CVE: NA

----------------------------------

The ccflags removed in this patch shouldn't be in open kernel tree.
Especially for -fstack-protector-strong, there will be a compile error
when CONFIG_STACKPROTECTOR_STRONG isn't enabled.
Signed-off-by: NZhengyuan Liu <liuzhengyuan@tj.kylinos.cn>
Reviewed-by: NHanjun Guo <guohanjun@huawei.com>
Reviewed-by: NZhong Zhaohui <zhongzhaohui@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/net/ethernet/hisilicon/hns3/Makefile

@@ -3,15 +3,6 @@
 # Makefile for the HISILICON network device drivers.
 #
 
-# Add security options
-ccflags-y += -fstack-protector-strong
-ccflags-y += -Wl,-z,relro,-z,now
-ccflags-y += -Wl,-z,noexecstack
-ccflags-y += -D_FORTIFY_SOURCE=2 -O2
-ccflags-y += -fvisibility=hidden
-ccflags-y += -Wformat=2 -Wfloat-equal
-ccflags-y += -fsigned-char
-
 ccflags-y += -DCONFIG_IT_VALIDATION
 ccflags-y += -DCONFIG_HNS3_TEST