Delete useTargetActivityForQuickAccess.

Remove from attrs.xml, and rename to
removed_useTargetActivityForQuickAccess in public-staging.xml

Test: atest CtsQuickAccessWalletTestCases --retry-any-failure
Test: atest QuickAccessWalletControllerTest
Bug: 218860062
RESOURCES_FINALIZATION=Removing unnecessary T attr

Change-Id: I23e1d5daa3d625cd71c67b7627c0354327589bd1
Merged-In: Ic71dd1f3710f9871965cabbb7580b77468661f02