Remove "sys.secpolicy.camera.off_" system property check

With I421690f14ee57fa818d2b233fe48a90a0a575a9e, now the device policy camera
restrictions will be propagated with a user restriction via appops, so the
system property check is no longer needed.

Bug 24538855

Change-Id: I7b034c0d49b834e570c758315df6a0163f64af4e
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index 2bb282f..ebf6779 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -885,18 +885,7 @@
         return -ENODEV;
     }
 
-    // Check device policy for this camera
-    char value[PROPERTY_VALUE_MAX];
-    char key[PROPERTY_KEY_MAX];
     userid_t clientUserId = multiuser_get_user_id(clientUid);
-    snprintf(key, PROPERTY_KEY_MAX, "sys.secpolicy.camera.off_%d", clientUserId);
-    property_get(key, value, "0");
-    if (strcmp(value, "1") == 0) {
-        // Camera is disabled by DevicePolicyManager.
-        ALOGE("CameraService::connect X (PID %d) rejected (camera %s is disabled by device "
-                "policy)", callingPid, cameraId.string());
-        return -EACCES;
-    }
 
     // Only allow clients who are being used by the current foreground device user, unless calling
     // from our own process.