MiuiCamera: Remove duplicate prebuilts

- Already defined in vendor/xiaomi/alioth and buildenv

proprietary/vendor/etc/init/android.hardware.camera.provider@2.4-service_64.rc

@@ -1,17 +0,0 @@
-#! /bin/sh
-#
-#Copyright (c) 2019 Qualcomm Technologies, Inc.
-#All Rights Reserved.
-#Confidential and Proprietary - Qualcomm Technologies, Inc.
-#
-
-service vendor.camera-provider-2-4 /vendor/bin/hw/android.hardware.camera.provider@2.4-service_64
-    override
-    interface android.hardware.camera.provider@2.4::ICameraProvider legacy/0
-    interface vendor.qti.hardware.camera.postproc@1.0::IPostProcService camerapostprocservice
-    class hal
-    user cameraserver
-    group audio camera input drmrpc oem_2907
-    ioprio rt 4
-    capabilities SYS_NICE
-    writepid /dev/cpuset/camera-daemon/tasks /dev/stune/foreground/tasks