Don't print the warning about ARCH_MMAP_RND_BITS in the json mode

kernel_hardening_checker/__init__.py

@@ -331,6 +331,7 @@ def main():
             override_expected_value(config_checklist, 'CONFIG_ARCH_MMAP_RND_BITS', mmap_rnd_bits_max)
         else:
             # remove the CONFIG_ARCH_MMAP_RND_BITS check to avoid false results
+            if mode != 'json':
                 print('[-] Can\'t check CONFIG_ARCH_MMAP_RND_BITS without CONFIG_ARCH_MMAP_RND_BITS_MAX')
             config_checklist[:] = [o for o in config_checklist if o.name != 'CONFIG_ARCH_MMAP_RND_BITS']