[local-preview] Remove unused dead code

This PR removes the unnecessary dead code in the
`entrypoint.sh` that isn't actually useful anymore,
or become stale.

Signed-off-by: Tarun Pothulapati <tarun@gitpod.io>

update k3s image

Signed-off-by: Tarun Pothulapati <tarun@gitpod.io>

install/preview/entrypoint.sh

@@ -18,12 +18,6 @@ if [ "$1" != "logging" ]; then
   exit
 fi
 
-# fail if its arm64
-if [ "$(uname -m)" = 'arm64' ]; then
-    echo "Gitpod local preview does not work on arm64 CPU's (including M1 Mac's)"
-    exit 1
-fi
-
 # check for minimum requirements
 REQUIRED_MEM_KB=$((6 * 1024 * 1024))
 total_mem_kb=$(awk '/MemTotal:/ {print $2}' /proc/meminfo)
@@ -43,17 +37,15 @@ fi
 
 echo "Gitpod Domain: $DOMAIN"
 
+# With cgroupv2, We need to move the k3s processes into the
+# init group when we override the entrypoint in the container
 if [ -f /sys/fs/cgroup/cgroup.controllers ]; then
-  echo "[$(date -Iseconds)] [CgroupV2 Fix] Evacuating Root Cgroup ..."
-	# move the processes from the root group to the /init group,
-  # otherwise writing subtree_control fails with EBUSY.
   mkdir -p /sys/fs/cgroup/init
   busybox xargs -rn1 < /sys/fs/cgroup/cgroup.procs > /sys/fs/cgroup/init/cgroup.procs || :
-  # enable controllers
   sed -e 's/ / +/g' -e 's/^/+/' <"/sys/fs/cgroup/cgroup.controllers" >"/sys/fs/cgroup/cgroup.subtree_control"
-  echo "[$(date -Iseconds)] [CgroupV2 Fix] Done"
 fi
 
+
 mount --make-shared /sys/fs/cgroup
 mount --make-shared /proc
 mount --make-shared /var/gitpod