.gitlab-ci.yml: Disable 3.1 builds temporarily

Due to have impact on CI, let's keep 3.0 for now and enable 3.1 back
later when it's needed with some CI optimizations.

Signed-off-by: Robert Drab <robert.drab@huawei.com>

.gitlab-ci.yml

@@ -202,7 +202,7 @@ fetch:
     # there by .bitbake before_script but with an empty string.
     - export DISTRO MACHINE
     - for DISTRO in oniro-openharmony-linux ; do
-      for OPENHARMONY_VERSION in 3.1 3.0 ; do
+      for OPENHARMONY_VERSION in 3.0 ; do
       for MACHINE in qemuarma7 ; do
         RECIPES="oniro-openharmony-bundle openharmony-standard-image openharmony-standard-image-tests" ;
         echo Fetching DISTRO=$DISTRO OPENHARMONY_VERSION=$OPENHARMONY_VERSION MACHINE=$MACHINE RECIPE=$RECIPE ;
@@ -279,7 +279,7 @@ build:
   parallel:
     matrix:
       - DISTRO: [oniro-openharmony-linux]
-        OPENHARMONY_VERSION: ["3.1", "3.0"]
+        OPENHARMONY_VERSION: ["3.0"]
         MACHINE: [qemuarma7]
         RECIPE: [oniro-openharmony-toolchain, oniro-openharmony-bundle, openharmony-standard-image]
   artifacts:
@@ -305,7 +305,7 @@ ptest:
   parallel:
     matrix:
       - DISTRO: [oniro-openharmony-linux]
-        OPENHARMONY_VERSION: ["3.1", "3.0"]
+        OPENHARMONY_VERSION: ["3.0"]
         MACHINE: [qemuarma7]
         RECIPE: [openharmony-standard-image-tests]
   artifacts:
@@ -374,7 +374,7 @@ ohos_fetch:
   extends: .openharmony_tarball
   parallel:
     matrix:
-      - OPENHARMONY_VERSION: ["3.0", "3.1"]
+      - OPENHARMONY_VERSION: ["3.0"]
   script:
     # Integrity check of cached tarball
     - if [ -f "${TARBALL_FILE}.sha256" -a -f "${TARBALL_FILE}" ] ; then
@@ -419,7 +419,7 @@ ohos:
       artifacts: true
   parallel:
     matrix:
-      - OPENHARMONY_VERSION: ["3.0", "3.1"]
+      - OPENHARMONY_VERSION: ["3.0"]
         PREBUILT_IMAGE: [oniro-openharmony-toolchain, oniro-openharmony-bundle]
   image:
     name: $OPENHARMONY_BUILDER:$OPENHARMONY_CONTAINER_VERSION