arm: remove generic-arm64 and qemu-generic-arm64

These BSPs are now obsolete.

Users of generic-arm64 should use genericarm64 from meta-yocto-bsp.

Users of qemu-generic-arm64 should use sbsa-ref from meta-arm-bsp.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>

ci/generic-arm64.yml

@@ -1,6 +0,0 @@
-header:
-  version: 14
-  includes:
-    - ci/base.yml
-
-machine: generic-arm64

ci/qemu-generic-arm64.yml

@@ -1,14 +0,0 @@
-header:
-  version: 14
-  includes:
-    - ci/generic-arm64.yml
-
-local_conf_header:
-  failing_tests: |
-    DEFAULT_TEST_SUITES:remove = "parselogs"
-
-machine: qemu-generic-arm64
-
-target:
-  - core-image-sato
-  - sbsa-acs