validate: remove duplicate verification
validate: remove duplicate verification

These fields have already been verified in CheckJSONSchema, so there is no need to verify again.

Signed-off-by: Zhou Hao <f577ade201aa03d612c19915a089dc6084d45cd9@cn.fujitsu.com>

wking/ocitools-v2,opencontainers/runtime-tools,opencontainers/runtime-tools,liangchenye/ocitools,liangchenye/ocitools,wking/ocitools-v2,opencontainers/ocitools,opencontainers/ocitools