This partly reverts b3b387698e.
The global static connect was not correct. Furthermore the new global
static variable was triggering
src/nfc/qnearfieldtarget_emulator_p.h:125:31:
warning: 'globalTagActivator' defined but not used [-Wunused-variable]
The global static variable is shifted to no longer require exposure
inside the header file.
Fixes: QTBUG-74538
Change-Id: Ic5e8211d358bae9c2ed0418aec5c4316fb249c98
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>