[CI-IMPROVEMENT-10] Remove unused buildx flags

* Remove docker buildx flags that are not used

Signed-off-by: Ivan Pavlovic <[email protected]>

.github/workflows/airflow-operator.yml

@@ -77,10 +77,7 @@ jobs:
     # due to longer queue times.
     runs-on: ubuntu-22.04
     env:
-      # Cache Docker layers in the Github actions cache.
-      # These variables are picked up by the goreleaser config.
-      DOCKER_BUILDX_CACHE_FROM: "type=gha"
-      DOCKER_BUILDX_CACHE_TO: "type=gha,mode=max"
+      # This variable is picked up by the goreleaser config.
       DOCKER_BUILDX_BUILDER: "builder"
     steps:
       - uses: actions/[email protected]

.github/workflows/python-client.yml

@@ -60,10 +60,7 @@ jobs:
     # due to longer queue times.
     runs-on: ubuntu-22.04
     env:
-      # Cache Docker layers in the Github actions cache.
-      # These variables are picked up by the goreleaser config.
-      DOCKER_BUILDX_CACHE_FROM: "type=gha"
-      DOCKER_BUILDX_CACHE_TO: "type=gha,mode=max"
+      # This variable is picked up by the goreleaser config.
       DOCKER_BUILDX_BUILDER: "builder"
     steps:
       - uses: actions/[email protected]

.github/workflows/test.yml

@@ -90,10 +90,7 @@ jobs:
     env:
       ARMADA_EXECUTOR_INGRESS_URL: "http://localhost"
       ARMADA_EXECUTOR_INGRESS_PORT: 5001
-      # Cache Docker layers in the GitHub actions cache.
-      # These variables are picked up by the goreleaser config.
-      DOCKER_BUILDX_CACHE_FROM: "type=gha"
-      DOCKER_BUILDX_CACHE_TO: "type=gha,mode=max"
+      # This variable is picked up by the goreleaser config.
       DOCKER_BUILDX_BUILDER: "builder"
 
     steps: