Delete redundant THC_API on THCStorage_new (#30312)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/30312
It's not necessary because it's already defined in the header.
Signed-off-by: Edward Z. Yang <ezyang@fb.com>
Test Plan: Imported from OSS
Differential Revision: D18762363
Pulled By: ezyang
fbshipit-source-id: 418bf355d460dd171ac449559f20bf55415e54ae
