Remove buffer_hub_service compat mapping

As b/116344577 is fixed, we no longer need the compatbility mapping any
more.

Test: build passed. Boot succeeded.
Change-Id: I0d7f02c59853d34bdabaad6841d87e9ca1ee25d7

private/compat/26.0/26.0.ignore.cil

@@ -28,8 +28,6 @@
     bpfloader
     bpfloader_exec
     broadcastradio_service
-    ;; TODO(b/116344577): remove after the issue is resolved
-    buffer_hub_service
     cgroup_bpf
     color_display_service
     crossprofileapps_service

private/compat/27.0/27.0.ignore.cil

@@ -26,8 +26,6 @@
     bluetooth_a2dp_offload_prop
     bpfloader
     bpfloader_exec
-    ;; TODO(b/116344577): remove after the issue is resolved
-    buffer_hub_service
     cgroup_bpf
     color_display_service
     crossprofileapps_service

private/compat/28.0/28.0.ignore.cil

@@ -17,8 +17,6 @@
     apexd_prop
     apexd_tmpfs
     biometric_service
-    ;; TODO(b/116344577): remove after the issue is resolved
-    buffer_hub_service
     device_config_boot_count_prop
     fastbootd
     flags_health_check