Fix extraction of Hailo userspace libs (#15187)

The archive already has everything contained in a rootfs folder, extract
it as-is to the root folder. This also reverts changes from
33957e5360 which addressed the same issue
in a less optimal way.

docker/hailo8l/install_hailort.sh

@@ -10,10 +10,8 @@ elif [[ "${TARGETARCH}" == "arm64" ]]; then
     arch="aarch64"
 fi
 
-mkdir -p /rootfs
-
 wget -qO- "https://github.com/frigate-nvr/hailort/releases/download/v${hailo_version}/hailort-${TARGETARCH}.tar.gz" |
-    tar -C /rootfs/ -xzf -
+    tar -C / -xzf -
 
 mkdir -p /hailo-wheels