Merge branch 'michal/remove-arm64-jobs-from-gitlab-ci-v9_16' into 'v9_16'

[v9_16] Remove arm64 jobs from GitLab CI

See merge request isc-projects/bind9!3922

.gitlab-ci.yml

@@ -52,11 +52,6 @@ stages:
     - linux
     - amd64
 
-.linux-arm64: &linux_arm64
-  tags:
-    - linux
-    - arm64
-
 .linux-i386: &linux_i386
   tags:
     - linux
@@ -98,10 +93,6 @@ stages:
   image: "$CI_REGISTRY_IMAGE:debian-sid-amd64"
   <<: *linux_amd64
 
-.debian-sid-arm64: &debian_sid_arm64_image
-  image: "$CI_REGISTRY_IMAGE:debian-sid-arm64"
-  <<: *linux_arm64
-
 .debian-sid-i386: &debian_sid_i386_image
   image: "$CI_REGISTRY_IMAGE:debian-sid-i386"
   <<: *linux_i386
@@ -782,30 +773,6 @@ unit:gcc:tarball:
   only:
     - tags
 
-# Jobs for regular GCC builds on Debian "sid" (arm64)
-
-gcc:sid:arm64:
-  variables:
-    CC: gcc
-    CFLAGS: "${CFLAGS_COMMON} -Og"
-    EXTRA_CONFIGURE: "--with-libidn2"
-  <<: *debian_sid_arm64_image
-  <<: *build_job
-
-system:gcc:sid:arm64:
-  <<: *debian_sid_arm64_image
-  <<: *system_test_job
-  needs:
-    - job: gcc:sid:arm64
-      artifacts: true
-
-unit:gcc:sid:arm64:
-  <<: *debian_sid_arm64_image
-  <<: *unit_test_job
-  needs:
-    - job: gcc:sid:arm64
-      artifacts: true
-
 # Jobs for regular GCC builds on Debian "sid" (i386)
 
 gcc:sid:i386: