accel-ppp: T4691: disable LUA as it's unused in VyOS

docker/Dockerfile

@@ -216,7 +216,6 @@ RUN apt-get update && apt-get install -y \
 
 # Packages needed for Accel-PPP
 RUN apt-get update && apt-get install -y \
-      liblua5.3-dev \
       libssl1.1 \
       libssl-dev \
       libpcre3-dev

packages/linux-kernel/build-accel-ppp.sh

@@ -22,8 +22,6 @@ cmake -DBUILD_IPOE_DRIVER=TRUE \
     -DBUILD_VLAN_MON_DRIVER=TRUE \
     -DCMAKE_INSTALL_PREFIX=/usr \
     -DKDIR=${KERNEL_DIR} \
-    -DLUA=TRUE \
-    -DLUA=5.3 \
     -DMODULES_KDIR=${KERNEL_VERSION}${KERNEL_SUFFIX} \
     -DCPACK_TYPE=Debian11 ..
 make