ci: Disable stretch because of massive GCC problems

.gitlab-ci.yml

@@ -50,14 +50,11 @@ build/raspbian/buster:
   <<: *build
   variables:
     DOCKER_IMAGE: raspbian/buster
-    ICINGA_BUILD_DIST: buster
-    ICINGA_BUILD_DEB_FLAVOR: stretch
 
 test/raspbian/buster:
   <<: *test
   variables:
     DOCKER_IMAGE: raspbian/buster
-    ICINGA_BUILD_DIST: buster
   dependencies:
     - build/raspbian/buster
 
@@ -66,19 +63,19 @@ upload/raspbian/buster:
   dependencies:
     - build/raspbian/buster
 
-build/raspbian/stretch:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: raspbian/stretch
-
-test/raspbian/stretch:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: raspbian/stretch
-  dependencies:
-    - build/raspbian/stretch
-
-upload/raspbian/stretch:
-  <<: *upload
-  dependencies:
-    - build/raspbian/stretch
+#build/raspbian/stretch:
+#  <<: *build
+#  variables:
+#    DOCKER_IMAGE: raspbian/stretch
+#
+#test/raspbian/stretch:
+#  <<: *test
+#  variables:
+#    DOCKER_IMAGE: raspbian/stretch
+#  dependencies:
+#    - build/raspbian/stretch
+#
+#upload/raspbian/stretch:
+#  <<: *upload
+#  dependencies:
+#    - build/raspbian/stretch