[gnome-runtime-images] Stop rebuilding images previous to 3.32

[Jordan Petridis <jpetridis src gnome org>]

commit 0406c98bc65e9b3d8f7a4b9734912356b180f195
Author: Jordan Petridis <jpetridis gnome org>
Date:   Tue Aug 6 22:00:03 2019 +0000

    Stop rebuilding images previous to 3.32
    
    The runtimes are EOL and won't get updated almost never again.

 .gitlab-ci.yml | 45 ---------------------------------------------
 1 file changed, 45 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a89119a..b190e0d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -55,27 +55,6 @@ gnome:master:
         DOCKERIMAGE: ${CI_REGISTRY_IMAGE}/gnome:master
         DOCKERFILE: gnome-master/Dockerfile
 
-gnome:3.26:
-    stage: runtimes
-    extends: .build_template
-    variables:
-        DOCKERIMAGE: ${CI_REGISTRY_IMAGE}/gnome:3.26
-        DOCKERFILE: gnome-3-26/Dockerfile
-
-gnome:3.28:
-    stage: runtimes
-    extends: .build_template
-    variables:
-        DOCKERIMAGE: ${CI_REGISTRY_IMAGE}/gnome:3.28
-        DOCKERFILE: gnome-3-28/Dockerfile
-
-gnome:3.30:
-    stage: runtimes
-    extends: .build_template
-    variables:
-        DOCKERIMAGE: ${CI_REGISTRY_IMAGE}/gnome:3.30
-        DOCKERFILE: gnome-3-30/Dockerfile
-
 gnome:3.32:
     stage: runtimes
     extends: .build_template
@@ -95,30 +74,6 @@ rust master:
         DOCKERIMAGE: ${CI_REGISTRY_IMAGE}/rust_bundle:master
         DOCKERFILE: sdk-bundles/rust
 
-rust 3.28:
-    stage: rust_bundle
-    extends: .build_template
-    before_script:
-        - export BASE_IMAGE="registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:3.28"
-        - export BRANCH="1.6"
-        - sed -e "s|@BASE_IMAGE@|$BASE_IMAGE|" sdk-bundles/rust-bundle.template > sdk-bundles/rust
-        - sed -i "s|@BRANCH@|$BRANCH|" sdk-bundles/rust
-    variables:
-        DOCKERIMAGE: ${CI_REGISTRY_IMAGE}/rust_bundle:3.28
-        DOCKERFILE: sdk-bundles/rust
-
-rust 3.30:
-    stage: rust_bundle
-    extends: .build_template
-    before_script:
-        - export BASE_IMAGE="registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:3.30"
-        - export BRANCH="18.08"
-        - sed -e "s|@BASE_IMAGE@|$BASE_IMAGE|" sdk-bundles/rust-bundle.template > sdk-bundles/rust
-        - sed -i "s|@BRANCH@|$BRANCH|" sdk-bundles/rust
-    variables:
-        DOCKERIMAGE: ${CI_REGISTRY_IMAGE}/rust_bundle:3.30
-        DOCKERFILE: sdk-bundles/rust
-
 rust 3.32:
     stage: rust_bundle
     extends: .build_template