sm8450-common: Decommonize libQnnHtpAltPrepV69Stub.so

Change-Id: Ia004d75b9dd87e43fa275675f6cf3c021dcc8445

proprietary-files.txt

@@ -760,9 +760,6 @@ vendor/etc/seccomp_policy/modemManager.policy
 # Native public libraries
 vendor/etc/public.libraries.txt
 
-# Neural networks
-vendor/lib64/libQnnHtpAltPrepV69Stub.so
-
 # NFC
 vendor/bin/hw/vendor.nxp.hardware.nfc@2.0-service
 vendor/bin/nqnfcinfo