Remove display.qservice from service_contexts.

This is a Qualcomm proprietary service,
and does not belong here.

Test: boot Marlin
Bug: 63391760
Merged-In: If7469051f6cef3e2440f7021ae26c9815ff54820
Change-Id: If7469051f6cef3e2440f7021ae26c9815ff54820

private/service_contexts

@@ -38,7 +38,6 @@ device_identifiers                        u:object_r:device_identifiers_service:
 deviceidle                                u:object_r:deviceidle_service:s0
 devicestoragemonitor                      u:object_r:devicestoragemonitor_service:s0
 diskstats                                 u:object_r:diskstats_service:s0
-display.qservice                          u:object_r:surfaceflinger_service:s0
 display                                   u:object_r:display_service:s0
 netd_listener                             u:object_r:netd_listener_service:s0
 DockObserver                              u:object_r:DockObserver_service:s0