ingres: Remove leftover

Change-Id: I581478394071e6844d77890d9fb32f81375e5730
diff --git a/proprietary-files.txt b/proprietary-files.txt
index a0cd256..b7cf6e4 100644
--- a/proprietary-files.txt
+++ b/proprietary-files.txt
@@ -73,9 +73,6 @@
 vendor/lib/rfsa/adsp/misound_res_spk.bin
 vendor/lib/rfsa/adsp/misound_res_spk4ch.bin
 
-# Audio policy
-# vendor/etc/seccomp_policy/c2audio.vendor.base-arm64.policy
-
 # Audio Firmware
 vendor/firmware/BH-cs35l41-dsp1-spk-cali.bin
 vendor/firmware/BH-cs35l41-dsp1-spk-prot.bin