nfc: don't memset a global

The GKI struct is already in .bss, which is defined to be set to 0 when
the process starts. Explicitly setting this to 0 does nothing but
increase dirty pages.

Test: boots, works
Bug 146228323

Change-Id: I376eb8a2408c0f9672af6877cd6d8be0459eed60
1 file changed