CryptoPkg/Crt: fix strcpy build on older VS compilers
Drop 'restrict' keyword which older visual studio compiler
versions complain about.
Fixes: fab6285a73c4 ("CryptoPkg/CrtLibSupport: fix strcpy")
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>