kernel: Update to 4.11.3/4.9.30/4.4.70, remove 4.10.x

4.10.x has been EOLed. Remove it from the build and tests.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>

test/cases/020_kernel/002_config_4.10.x/test-kernel-config.yml

@@ -1,17 +0,0 @@
-kernel:
-  image: "linuxkit/kernel:4.10.x"
-  cmdline: "console=ttyS0"
-init:
-  - linuxkit/init:4fc8aa82ab34d62d510575c8fbe0c58b7ba9c480
-  - linuxkit/runc:3a4e6cbf15470f62501b019b55e1caac5ee7689f
-  - linuxkit/containerd:b1766e4c4c09f63ac4925a6e4612852a93f7e73b
-onboot:
-  - name: check-kernel-config
-    image: "linuxkit/test-kernel-config:ecff41279ccbc408079a3996a956432651c6eb9c"
-    readonly: true
-  - name: poweroff
-    image: "linuxkit/poweroff:a8f1e4ad8d459f1fdaad9e4b007512cb3b504ae8"
-    command: ["/bin/sh", "/poweroff.sh", "3"]
-trust:
-  org:
-    - linuxkit

test/cases/020_kernel/002_config_4.10.x/test.sh

@@ -1,22 +0,0 @@
-#!/bin/sh
-# SUMMARY: Sanity check on the kernel config file
-# LABELS:
-# REPEAT:
-
-set -e
-
-# Source libraries. Uncomment if needed/defined
-#. "${RT_LIB}"
-. "${RT_PROJECT_ROOT}/_lib/lib.sh"
-
-clean_up() {
-	find . -iname "test-kernel-config*" -not -iname "*.yml" -exec rm -rf {} \;
-}
-trap clean_up EXIT
-
-# Test code goes here
-moby build -output kernel+initrd test-kernel-config
-RESULT="$(linuxkit run qemu test-kernel-config)"
-echo "${RESULT}" | grep -q "suite PASSED"
-
-exit 0